CN104413147A - Grease composition for formula milk powder as well as preparation method and application of grease composition - Google Patents
Grease composition for formula milk powder as well as preparation method and application of grease composition Download PDFInfo
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- CN104413147A CN104413147A CN201310413894.2A CN201310413894A CN104413147A CN 104413147 A CN104413147 A CN 104413147A CN 201310413894 A CN201310413894 A CN 201310413894A CN 104413147 A CN104413147 A CN 104413147A
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Abstract
The invention relates to the field of deep processing of grease. Specifically, the invention relates to a grease composition for formula milk powder as well as a preparation method and application of the grease composition. More specifically, the grease composition is a transesterification product of crude grease through physical mixing, chemical transesterification or enzymatic transesterification, wherein in terms of the total weight of all fatty acids forming the grease composition, medium-chain fatty acid accounts for 5-25wt% and long-chain saturated fatty acid accounts for less than 15wt%; the weight ratio of n-6 series polyunsaturated fatty acid to n-3 series polyunsaturated fatty acid is (4-6) to 1, wherein the medium-chain fatty acid is fatty acid with carbon number of 6-12, and the long-chain fatty acid is fatty acid with carbon number of above 14.
Description
Technical field
The present invention relates to grease field of deep.Specifically, the present invention relates to a kind of milk powder fat or oil composition, Its Preparation Method And Use.
Background technology
Milk powder a kind ofly reconstitutes easy, easy to carry and nutritious food, is suitable for the consumer of all age group.Milk powder wide variety in the market, mainly can be divided into whole milk powder, degreasing or partially skimmed milk powder, instant milk powder and formula milk etc.It is well known in the art that fat is a kind of important nutrient in milk powder, not only gives milk powder with tempting frankincense taste and mouthfeel, and be the carrier of various fat soluble nutrient.Grease in traditional milk formula is mainly the mixture of butter oil and vegetable fat or the mixture of various plants grease, and wherein, described vegetable fat is mainly soybean oil, corn oil, sunflower seeds wet goods.Due to the above-mentioned grease of Excess free enthalpy can cause fat, the ill-effect such as high fat of blood, therefore, many consumers hang back to whole milk powder, then the skimmed milk power of edible light taste.
But skimmed milk power is light taste not only, and owing to needing to remove fat in process, thus some fat-soluble nutrient such as vitamin A. D. Es etc. are also removed thereupon, cause the loss of milk powder nutritive value.
Therefore, for a person skilled in the art, in the urgent need to developing a kind of new fat or oil composition, the following condition of described fat or oil composition demand fulfillment: adopt the formulated milk powder of this fat or oil composition can not only retain tempting fragrance and mouthfeel, but also nutriment can be kept to run off, and the more important thing is, go back the requirement of demand fulfillment health, and can not cause fat in the crowd of drinking disease and hyperlipemia etc.
Summary of the invention
In order to solve technical problem of the present invention, the present inventor by research first find: by add in fat or oil composition certain content medium-chain triglycerides, the content of the Long carbon chain saturated fatty acid in fat or oil composition is controlled within the scope of certain content, and by the limited proportion of the serial polyunsaturated fatty acid of n-6 series polyunsaturated fatty acid and n-3 in fat or oil composition in particular range, goal of the invention of the present invention can be realized.
Therefore, one object of the present invention is, providing one can Quick energizing quantity, and there is the milk powder fat or oil composition reducing body fat cumulative function, wherein, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 5 ~ 25wt%, Long carbon chain saturated fatty acid accounts for below 15wt%, the weight ratio of n-6 series polyunsaturated fatty acid and n-3 series polyunsaturated fatty acid is (4 ~ 6): 1, wherein, described medium-chain fatty acid to be carbon number be 6 ~ 12 aliphatic acid, described Long carbon chain aliphatic acid to be carbon number be more than 14 aliphatic acid.
Another object of the present invention is to, the method preparing above-mentioned fat or oil composition is provided.
In one aspect, the method preparing milk powder fat or oil composition of the present invention is physical mixed, wherein, described physical mixed comprises the steps: using Long carbon chain fatty acid triglycercide material and medium-chain triglycerides as raw material, after above-mentioned raw materials is mixed, make it mixing by fully stirring, thus obtain fat or oil composition of the present invention.
On the other hand, the method preparing milk powder fat or oil composition of the present invention is chemically catalyzed interesterification method, and wherein, described chemically catalyzed interesterification method comprises the steps:
I Long carbon chain fatty acid triglycercide material and medium-chain triglycerides mix as raw material by (), to obtain mixture;
(ii) described mixture is stirred dehydration in vacuum, sodium methoxide or NaOH is added as catalyst in described mixture, at the temperature of 40 ~ 100 DEG C (sodium methoxide is as situations of catalyst) or 90 ~ 180 DEG C (NaOH is as situations of catalyst), stir under vacuum condition, ester exchange reaction is carried out, obtains product;
(iii) cessation reaction is carried out by adding water, phosphate aqueous solution or aqueous citric acid solution in described product.Consider easily to cause product and water generation emulsification when adding water cessation reaction and for phosphoric acid the security of citric acid relatively high, preferably use aqueous citric acid solution cessation reaction:
(iv) adopt HPLC to measure, when in product, the content of unreacted MCT is below 3wt%, cessation reaction, obtains the thick product of grease;
V () washes the thick product of described grease, and dry, then decolours to this product, deodorization, thus obtains described fat or oil composition.
In another, the method preparing milk powder fat or oil composition of the present invention is enzymic transesterification method, and wherein, described enzymic transesterification method comprises the steps:
I Long carbon chain fatty acid triglycercide material and medium-chain triglycerides mix as raw material by (), to obtain mixture;
(ii) in described mixture, add lipase as catalyst, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) adopting HPLC to measure, when the content of unreacted MCT is lower than 3wt% in product, filtering enzyme cessation reaction, to obtain thick product by crossing;
(iv) described thick product is decoloured, deodorization, thus obtain described fat or oil composition.
In the present invention, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide and the grease containing Long carbon chain fatty acid triglycercide.Consider the cost of raw material and easily acquired, described Long carbon chain fatty acid triglycercide material is preferably the grease containing Long carbon chain fatty acid triglycercide.The described grease containing Long carbon chain fatty acid triglycercide can be one or more in following grease: linseed oil, soybean oil, rapeseed oil, sunflower oil, corn oil, peanut oil, wheat-germ oil, Rice oil, tea-seed oil, algae oil, safflower seed oil, perilla herb oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and olive oil.
Another object of the present invention is, provides the purposes of above-mentioned fat or oil composition in preparation formula milk powder further, wherein, for the gross weight of milk powder, adds described fat or oil composition with the amount of 10 ~ 30wt% in milk powder.
By the content described in following paragraph [1] to paragraph [56], technical scheme of the present invention is illustrated:
[1]. a kind of milk powder fat or oil composition, it is characterized in that, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 5 ~ 25wt%, Long carbon chain saturated fatty acid accounts for below 15wt%, and the weight ratio of n-6 series polyunsaturated fatty acid and n-3 series polyunsaturated fatty acid is (4 ~ 6): 1, wherein, described medium-chain fatty acid to be carbon number be 6 ~ 12 aliphatic acid, described Long carbon chain aliphatic acid to be carbon number be more than 14 aliphatic acid.
[2]. the fat or oil composition as described in paragraph [1], wherein, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 8 ~ 15wt%.
[3]. the fat or oil composition as described in paragraph [1] or [2], wherein, for the gross weight of all fatty acids of formation fat or oil composition, Long carbon chain saturated fatty acid accounts for below 13wt%.
[4]. as the fat or oil composition according to any one of paragraph [1]-[3], wherein, the weight ratio of n-6 series polyunsaturated fatty acid and n-3 series polyunsaturated fatty acid is 5:1
[5]. as the fat or oil composition according to any one of paragraph [1]-[4], wherein, described medium-chain fatty acid to be carbon number be 8 ~ 10 saturated fatty acid.
[6]. as the fat or oil composition according to any one of paragraph [1]-[4], wherein, described medium-chain fatty acid be selected from the group be made up of caproic acid, sad, capric acid, laurate one or more.
[7]. as the fat or oil composition according to any one of paragraph [1]-[6], wherein, described fat or oil composition is selected from the additive of following substances further containing one or more: SPE, polyglyceryl fatty acid ester, VitAVitE, ascorbic acid aliphatic ester, vitamin D, diglyceride, compound sugar, xylan, Co-Q10, phosphatide, oryzanol, sterol, carrotene, isoflavones, active peptide, Tea Polyphenols and glucosidase procyanidins.
[8]. the fat or oil composition as described in paragraph [7], wherein, described additive is SPE, vitamin A, vitamin D, vitamin E and their any mixture.
[9]. the method for the fat or oil composition of preparation according to any one of paragraph [1]-[8], wherein, described method comprises the steps: using Long carbon chain fatty acid triglycercide material and medium-chain triglycerides as raw material, after described raw material mixing, make it mixing by fully stirring, thus obtain described fat or oil composition.
[10]. the method as described in paragraph [9], wherein, described method comprises and in described fat or oil composition, adds additive further.
[11]. the method as described in paragraph [10], wherein, described additive is selected from one or more in the group be made up of following material: SPE, polyglyceryl fatty acid ester, VitAVitE, ascorbic acid aliphatic ester, vitamin D, diglyceride, compound sugar, xylan, Co-Q10, phosphatide, oryzanol, sterol, carrotene, isoflavones, active peptide, Tea Polyphenols and glucosidase procyanidins.
[12]. as the method according to any one of paragraph [9]-[11], wherein, described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides are mixed with the weight ratio of 95:5 ~ 75:25.
[13]. the method as described in paragraph [12], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 92:8 ~ 85:15.
[14]. the method as described in paragraph [13], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 90:10 ~ 87:13.
[15]. as the method according to any one of paragraph [9]-[14], wherein, described stirring carries out 5 ~ 10 minutes.
[16]. as the method according to any one of paragraph [9]-[15], wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide and the grease containing Long carbon chain fatty acid triglycercide.
[17]. the method as described in paragraph [16], wherein, the described grease containing Long carbon chain fatty acid triglycercide is one or more in following grease: linseed oil, soybean oil, rapeseed oil, sunflower oil, corn oil, peanut oil, wheat-germ oil, Rice oil, tea-seed oil, algae oil, safflower seed oil, perilla herb oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and olive oil.
[18]. the method as described in paragraph [17], wherein, the described grease containing Long carbon chain fatty acid triglycercide is linseed oil, soybean oil, rapeseed oil, sunflower oil, wheat-germ oil, perilla herb oil and their any mixture.
[19]. the method for the fat or oil composition of preparation according to any one of paragraph [1]-[8], wherein, described method is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
I Long carbon chain fatty acid triglycercide material and medium-chain triglycerides mix as raw material by (), to obtain mixture;
(ii) described mixture is stirred dehydration in vacuum, in described mixture, add sodium methoxide or NaOH as catalyst, during using sodium methoxide as catalyst, at the temperature of 40 ~ 100 DEG C, stir under vacuum condition, ester exchange reaction is carried out, obtains product; Or, during using NaOH as catalyst, at the temperature of 90 ~ 180 DEG C, stir under vacuum condition, ester exchange reaction carried out, obtains product;
(iii) cessation reaction is carried out by adding water, phosphate aqueous solution or aqueous citric acid solution in described product;
(iv) adopt HPLC to measure, when in product, the content of unreacted MCT is below 3wt%, cessation reaction, obtains the thick product of grease;
V () washes the thick product of described grease, and dry, then decolours to this product, deodorization, thus obtains described fat or oil composition.
[20]. the method as described in paragraph [19], wherein, described method comprises and in described fat or oil composition, adds additive further.
[21]. the method as described in paragraph [20], wherein, described additive is selected from one or more in the group be made up of following material: SPE, polyglyceryl fatty acid ester, VitAVitE, ascorbic acid aliphatic ester, vitamin D, diglyceride, compound sugar, xylan, Co-Q10, phosphatide, oryzanol, sterol, carrotene, isoflavones, active peptide, Tea Polyphenols and glucosidase procyanidins.
[22]. as the method according to any one of paragraph [19]-[21], wherein, described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides are mixed with the weight ratio of 95:5 ~ 75:25.
[23]. the method as described in paragraph [22], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 92:8 ~ 85:15.
[24]. the method as described in paragraph [23], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 90:10 ~ 87:13.
[25]. as the method according to any one of paragraph [19]-[24], wherein, mixture described in described step (ii) stirs dehydration at the temperature of 95 ~ 120 DEG C in vacuum.
[26]. as the method according to any one of paragraph [19]-[25], wherein, described in described step (ii), mixture stirs dehydration 15 ~ 60min in vacuum.
[27]. as the method according to any one of paragraph [19]-[26], wherein, add in described mixture in described step (ii) account for described raw material weight 0.1 ~ 0.5wt% sodium methoxide as catalyst.
[28]. the method as described in paragraph [27], wherein, in described step (ii) at the temperature of 50 ~ 90 DEG C, stirs, ester exchange reaction is carried out under vacuum condition.
[29]. as the method described in paragraph [27] or [28], wherein, the ester exchange reaction in described step (ii) carries out 15 ~ 120 minutes.
[30]. as the method according to any one of paragraph [19]-[26], wherein, add in described mixture in described step (ii) account for described raw material weight 0.1 ~ 0.5wt% NaOH as catalyst.
[31]. the method as described in paragraph [30], wherein, in described step (ii) at the temperature of 120 ~ 160 DEG C, stirs, ester exchange reaction is carried out under vacuum condition.
[32]. the method as described in paragraph [30] or [31], wherein, the ester exchange reaction in described step (ii) carries out 20 ~ 120 minutes.
[33]. as the method according to any one of paragraph [19]-[32], wherein, in described step (iii), carry out cessation reaction by adding aqueous citric acid solution in described product.
[34]. as the method according to any one of paragraph [19]-[33], wherein, decolorization condition in described step (v) is: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, below vacuum 10mmHg.
[35]. as the method according to any one of paragraph [19]-[34], wherein, the deodorization condition in described step (v) is: temperature 200 ~ 240 DEG C, below vacuum 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min
[36]. as the method according to any one of paragraph [19]-[35], wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide and the grease containing Long carbon chain fatty acid triglycercide.
[37]. the method as described in paragraph [36], wherein, the described grease containing Long carbon chain fatty acid triglycercide is one or more in following grease: linseed oil, soybean oil, rapeseed oil, sunflower oil, corn oil, peanut oil, wheat-germ oil, Rice oil, tea-seed oil, algae oil, safflower seed oil, perilla herb oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and olive oil.
[38]. the method as described in paragraph [37], wherein, the described grease containing Long carbon chain fatty acid triglycercide is linseed oil, soybean oil, rapeseed oil, sunflower oil, wheat-germ oil, perilla herb oil and their any mixture.
[39]. the method for the fat or oil composition of preparation according to any one of paragraph [1]-[8], wherein, described method is enzymic transesterification method, and described enzymic transesterification method comprises the steps:
I Long carbon chain fatty acid triglycercide material and medium-chain triglycerides mix as raw material by (), to obtain mixture;
(ii) in described mixture, add lipase as catalyst, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) adopting HPLC to measure, when the content of unreacted MCT is lower than 3wt% in product, filtering enzyme cessation reaction, to obtain thick product by crossing;
(iv) described thick product is decoloured, deodorization, thus obtain described fat or oil composition.
[40]. the method as described in paragraph [39], wherein, described method comprises and in described fat or oil composition, adds additive further.
[41]. the method as described in paragraph [40], wherein, described additive is selected from one or more in the group be made up of following material: SPE, polyglyceryl fatty acid ester, VitAVitE, ascorbic acid aliphatic ester, vitamin D, diglyceride, compound sugar, xylan, Co-Q10, phosphatide, oryzanol, sterol, carrotene, isoflavones, active peptide, Tea Polyphenols and glucosidase procyanidins.
[42]. as the method according to any one of paragraph [39]-[41], wherein, described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides are mixed with the weight ratio of 95:5 ~ 75:25.
[43]. the method as described in paragraph [42], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 92:8 ~ 85:15.
[44]. the method as described in paragraph [43], wherein, mixes described Long carbon chain fatty acid triglycercide material and medium-chain triglycerides with the weight ratio of 90:10 ~ 87:13.
[45]. as the method according to any one of paragraph [39]-[44], wherein, add in described mixture in described step (ii) account for described raw material weight 0.5 ~ 10wt% lipase as catalyst.
[46]. the method as described in paragraph [45], wherein, add in described mixture in described step (ii) account for described raw material weight 4 ~ 8wt% lipase as catalyst.
[47]. as the method according to any one of paragraph [39]-[46], wherein, in described step (ii) at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out.
[48]. the method as described in paragraph [47], wherein, in described step (ii) at the temperature of 60 ~ 85 DEG C, in conjunction with stirring, makes ester exchange reaction be carried out.
[49]. as the method according to any one of paragraph [39]-[48], wherein, the ester exchange reaction in described step (ii) carries out 1 ~ 48 hour.
[50]. as the method according to any one of paragraph [39]-[49], wherein, decolorization condition in described step (iv) is: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, below vacuum 10mmHg.
[51]. as the method according to any one of paragraph [39]-[50], wherein, the deodorization condition in described step (iv) is: temperature 200 ~ 240 DEG C, below vacuum 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min
[52]. as the method according to any one of paragraph [39]-[51], wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide and the grease containing Long carbon chain fatty acid triglycercide.
[53]. the method as described in paragraph [52], wherein, the described grease containing Long carbon chain fatty acid triglycercide is one or more in following grease: linseed oil, soybean oil, rapeseed oil, sunflower oil, corn oil, peanut oil, wheat-germ oil, Rice oil, tea-seed oil, algae oil, safflower seed oil, perilla herb oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and olive oil.
[54]. the method as described in paragraph [53], wherein, the described grease containing Long carbon chain fatty acid triglycercide is linseed oil, soybean oil, rapeseed oil, sunflower oil, wheat-germ oil, perilla herb oil and their any mixture.
[55]. the purposes of fat or oil composition in preparation formula milk powder according to any one of paragraph [1]-[8], wherein, for the gross weight of milk powder, adds described fat or oil composition with the amount of 10 ~ 30wt% in milk powder.
[56]. the purposes as described in paragraph [55], wherein, for the gross weight of milk powder, adds described fat or oil composition with the amount of 15 ~ 25wt% in milk powder.
Beneficial effect of the present invention is, compared with the grease in existing milk powder, fat or oil composition provided by the present invention have aliphatic acid composition rationally, Quick energizing quantity and reduce the advantage of body fat accumulation, and, the milk powder adopting fat or oil composition of the present invention to make not only remains tempting fragrance and mouthfeel, but also avoiding the loss of nutriment, what is more important, described milk powder also can not be causeed fat disease and hyperlipemia etc. in the crowd of drinking.
Detailed description of the invention
In the present invention, medium-chain fatty acid refers to that carbon number is the aliphatic acid of 6 ~ 12, such as, and caproic acid, sad, capric acid, laurate; Preferred carbon number is the saturated fatty acid of 8 ~ 10, such as, and sad, capric acid.
In the present invention, Long carbon chain aliphatic acid refers to that carbon number is the aliphatic acid of more than 14.Such as, the Long carbon chain saturated fatty acid such as myristic acid, palmitic acid, stearic acid, arachic acid, behenic acid, lignoceric acid, hexacosoic acid; And the Long carbon chain unrighted acid such as tetradecenoic acid, pentadecylenic acid, palmitoleic acid, hexadecatrienoic acid, heptadecenoic acid, oleic acid, linoleic acid, leukotrienes, eicosenoic acid, eicosadienoic acid, eicosatrienoic acid, eicosatetraenoic acid, eicosapentaenoic acid, docosenoic acid, two dodecadienoic acids, clupanodonic acid, DHA.
In one embodiment, the invention provides a kind of fat or oil composition, wherein, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 5 ~ 25wt%, preferably 8 ~ 15wt%, Long carbon chain saturated fatty acid accounts for below 15wt%, preferred below 13wt%, the weight ratio of n-6 series polyunsaturated fatty acid and n-3 series polyunsaturated fatty acid is (4 ~ 6): 1, preferred 5:1, wherein, described medium-chain fatty acid to be carbon number be 6 ~ 12 aliphatic acid, preferred carbon number is the saturated fatty acid of 8 ~ 10, described Long carbon chain aliphatic acid to be carbon number be more than 14 aliphatic acid.
In further embodiment, fat or oil composition of the present invention is optionally selected from the additive in following substances further containing one or more, thus the storage stability of product can be improved, oxidation stability and heat endurance etc., and also can have preventing hypertension, the diseases such as high fat of blood, delay senility, suppress fat effect, described additive includes but not limited to: SPE, polyglyceryl fatty acid ester, vitamin A, vitamin E, ascorbic acid aliphatic ester, vitamin D, diglyceride, compound sugar, xylan, Co-Q10, phosphatide, oryzanol, sterol, carrotene, isoflavones, active peptide, Tea Polyphenols and glucosidase procyanidins.The further preferably sucrose polyester of described additive, vitamin A, vitamin D, vitamin E and their any mixture.In addition, the addition of described additive, according to the distinct of additive, as long as its interpolation can make final fat or oil composition have as above good performance, is not particularly limited its content.
In an embodiment of the invention, the method preparing milk powder fat or oil composition of the present invention is physical mixed, wherein, described physical mixed comprises the steps: Long carbon chain fatty acid triglycercide material and medium-chain triglycerides to mix with the weight ratio of 95:5 ~ 75:25, fully stirs 5 ~ 10 minutes to obtain mixture.
In a preferred embodiment, described physical mixed comprises the step adding additive in fat or oil composition further.
In a preferred embodiment, described physical mixed comprises and Long carbon chain fatty acid triglycercide material and medium-chain triglycerides being mixed with the weight ratio of 92:8 ~ 85:15, more preferably 90:10 ~ 87:13.
In another embodiment of the present invention, the method preparing milk powder fat or oil composition of the present invention is chemically catalyzed interesterification method, and wherein, described chemically catalyzed interesterification method comprises the steps:
(i) using Long carbon chain fatty acid triglycercide material and medium-chain triglycerides as raw material, carry out mixing to obtain mixture with the weight ratio of 95:5 ~ 75:25, wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain triglycerides and the grease containing Long carbon chain fatty acid triglycercide;
(ii) described mixture is stirred dehydration 15 ~ 60min at the temperature of 95 DEG C ~ 120 DEG C in vacuum, add in described mixture account for described raw material weight 0.1 ~ 0.5wt% sodium methoxide as catalyst, at the temperature of 40 ~ 100 DEG C, preferably 50 ~ 90 DEG C, stir under vacuum condition, make ester exchange reaction carry out 15 ~ 120 minutes, obtain product; Or add in described mixture account for described raw material weight 0.1 ~ 0.5wt% NaOH as catalyst, at the temperature of 90 ~ 180 DEG C, preferably 120 ~ 160 DEG C, stir under vacuum condition, make ester exchange reaction carry out 20 ~ 120 minutes, obtain product;
(iii) cessation reaction is carried out by adding aqueous citric acid solution in product;
(iv) adopt HPLC to measure, when in product, unreacted MCT content is below 3wt%, cessation reaction, obtains the thick product of grease;
V () washes fully to the thick product of grease, and it is dry, then utilize that such as following method is decoloured to this product, deodorization (decolorization condition: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, below vacuum 10mmHg; Deodorization condition: temperature 200 ~ 240 DEG C, below vacuum 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min), thus obtain fat or oil composition of the present invention.
In a preferred embodiment, described chemically catalyzed interesterification method comprises the step adding additive in the fat or oil composition obtained further.
In one preferred embodiment, described chemically catalyzed interesterification method comprises and Long carbon chain fatty acid triglycercide material and medium-chain triglycerides being mixed with the weight ratio of 92:8 ~ 85:15, more preferably 90:10 ~ 87:13 as raw material.
In another embodiment of the present invention, the method preparing milk powder fat or oil composition of the present invention is enzymic transesterification method, and wherein, described enzymic transesterification method comprises the steps:
I Long carbon chain fatty acid triglycercide material and medium-chain triglycerides mix as raw material with 95:5 ~ 75:25, the preferably weight ratio of 92:8 ~ 85:15, more preferably 90:10 ~ 87:13 by (), to obtain mixture, wherein, described Long carbon chain triglycerides material is selected from Long carbon chain triglycerides and the grease containing Long carbon chain fatty acid triglycercide;
(ii) add in described mixture account for described raw material weight 0.5 ~ 10wt%, preferably 4 ~ 8wt% lipase as catalyst, at the temperature of 40 ~ 90 DEG C, preferably 60 ~ 85 DEG C, in conjunction with stirring, make ester exchange reaction carry out 1 ~ 48 hour;
(iii) HPLC is adopted to measure, when the content of unreacted MCT is lower than 3wt% in product, by filtering enzyme carrys out cessation reaction, to obtain thick product excessively;
(iv) described thick product is decoloured, deodorization (such as, following condition can be adopted to carry out decolouring, deodorization: decolorization condition: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, below vacuum 10mmHg; Deodorization condition: temperature 200 ~ 240 DEG C, below vacuum 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min), thus obtain fat or oil composition of the present invention.
In a preferred embodiment, described enzymic transesterification method comprises the step adding additive in the fat or oil composition obtained further.
Wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide and the grease containing Long carbon chain fatty acid triglycercide.Consider that the cost of pure glycerin three ester is very high, can not use as bulk raw material, therefore, described Long carbon chain triglycerides material is preferably the grease containing Long carbon chain fatty acid triglycercide easily obtained.
The described grease containing Long carbon chain fatty acid triglycercide can be one or more in following grease: linseed oil, soybean oil, rapeseed oil, sunflower oil, corn oil, peanut oil, wheat-germ oil, Rice oil, tea-seed oil, algae oil, safflower seed oil, perilla herb oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and olive oil.The described grease containing Long carbon chain fatty acid triglycercide is preferred linseed oil, soybean oil, rapeseed oil, sunflower oil, wheat-germ oil, perilla herb oil and their any mixture further.
In yet, present invention also offers the purposes of above-mentioned fat or oil composition in preparation formula milk powder, wherein, for the gross weight of milk powder, in milk powder, add described fat or oil composition with the amount of 10 ~ 30wt%, preferably 15 ~ 25wt%.
Embodiment
By following preparation example and test example, illustrate doing explanation detailed further to technical scheme of the present invention, but protection scope of the present invention is not limited in these embodiments.
According to the method for GB/T17376-2008, the aliphatic acid composition of following fat or oil composition is measured.According to AOCS Ce5b-89 method, by HPLC, the content of triglyceride of following fat or oil composition is measured.
Preparation example 1
By the Weight computation of each feedstock oil, by 5 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 1:1), 35 portions of sunflower oils and 60 portions of rapeseed oils mix, stir under room temperature condition and within 10 minutes, make it fully to mix, thus obtain fat or oil composition 1.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 1, the content of medium-chain fatty acid is 5wt%, and the content of Long carbon chain saturated fatty acid is 9.24wt%, n-6 series polyunsaturated fatty acid is 5.2:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 2
By the Weight computation of each feedstock oil, by 25 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 2:8), 71 portions of soybean oils and 4 parts of perilla herb oils mix, stir under room temperature condition and within 5 minutes, make it fully to mix, thus obtain fat or oil composition 2.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 2, the content of medium-chain fatty acid is 25wt%, and the content of Long carbon chain saturated fatty acid is 12.52wt%, n-6 series polyunsaturated fatty acid is 4.7:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 3
Relative to the weight 100 parts of above-mentioned fat or oil composition 2,3 parts of SPEs, 0.0005 part of vitamin A, 0.01 part of vitamin E is added in obtained fat or oil composition 2, stir under room temperature condition and within 8 minutes, make it fully to mix, thus obtain fat or oil composition 3.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 3, the content of medium-chain fatty acid is 25wt%, and the content of Long carbon chain saturated fatty acid is 12.52wt%, n-6 series polyunsaturated fatty acid is 4.7:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 4
By the Weight computation of each feedstock oil, by 15 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 8:2), 47 portions of rapeseed oils and 38 portions of wheat-germ oils mix, stir under room temperature condition and within 10 minutes, make it fully to mix, thus obtain fat or oil composition 4.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 4, the content of medium-chain fatty acid is 15wt%, and the content of Long carbon chain saturated fatty acid is 11.12wt%, n-6 series polyunsaturated fatty acid is 4:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 5
By the Weight computation of each feedstock oil, by 10 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 1:1), 72 portions of sunflower oils and 18 portions of linseed oil add in reactor after fully mixing, under 105 DEG C of conditions, vacuum drying removes moisture wherein for 30 minutes.Then, temperature is remained on 60 DEG C, add 0.5wt% sodium methoxide, stir under vacuum condition, make reaction carry out 15 minutes.Add aqueous citric acid solution cessation reaction subsequently, mixing of fully vibrating, centrifugal, washing, vacuum drying.Now, unreacted medium-chain triglycerides content in HPLC assaying reaction product is adopted to be below 3wt%.Refining is carried out (at 110 DEG C to the said goods obtained, add under the vacuum of 8mmHg and decolour 15 minutes with the carclazyte of product weighing scale 1.5wt%, and at 235 DEG C, the steam deodorization 90 minutes with product weighing scale 5wt% is passed under the vacuum of 4mmHg), thus obtain fat or oil composition 5.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 5, the content of medium-chain fatty acid is 10wt%, and the content of Long carbon chain saturated fatty acid is 10.42wt%, n-6 series polyunsaturated fatty acid is 6:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 6
By the Weight computation of each feedstock oil, by 5 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 8:2), 35 portions of sunflower oils and 60 portions of rapeseed oils add in reactor after fully mixing, under 120 DEG C of conditions, vacuum drying removes moisture wherein for 15 minutes.Then, temperature is remained on 100 DEG C, add 0.1wt% sodium methoxide, stir under vacuum condition, make reaction carry out 60 minutes.Add aqueous citric acid solution cessation reaction subsequently, mixing of fully vibrating, centrifugal, washing, vacuum drying.Now, adopt HPLC to measure, in product, unreacted medium-chain triglycerides content is below 3wt%.Refining (method of refining is with preparation example 5) is carried out to the said goods obtained, thus obtains fat or oil composition 6.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 6, the content of medium-chain fatty acid is 5wt%, and the content of Long carbon chain saturated fatty acid is 9.24wt%, n-6 series polyunsaturated fatty acid is 5.2:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 7
Relative to the weight 100 parts of above-mentioned fat or oil composition 6, in obtained fat or oil composition 6, add 0.0003 part of vitamin A, 0.02 part of vitamin E, stir under room temperature condition and within 5 minutes, make it fully to mix, thus obtain fat or oil composition 7.
Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 7, the content of medium-chain fatty acid is 5wt%, and the content of Long carbon chain saturated fatty acid is 9.24wt%, n-6 series polyunsaturated fatty acid is 5.2:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 8
By the Weight computation of each feedstock oil, by 25 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 2:8), 71 portions of soybean oils and 4 parts of perilla herb oils add in reactor after fully mixing, under 95 DEG C of conditions, vacuum drying removes moisture wherein for 60 minutes.Then, temperature is remained on 40 DEG C, add 0.3wt% sodium methoxide, stir under vacuum condition, make reaction carry out 120 minutes.Add aqueous citric acid solution cessation reaction subsequently, mixing of fully vibrating, centrifugal, washing, vacuum drying.Now, adopt HPLC to measure, in product, unreacted medium-chain triglycerides content is below 3wt%.Refining (method of refining is with preparation example 5) is carried out to the said goods obtained, thus obtains fat or oil composition 8.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 8, the content of medium-chain fatty acid is 25wt%, and the content of Long carbon chain saturated fatty acid is 12.52wt%, n-6 series polyunsaturated fatty acid is 4.7:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 9
By the Weight computation of each feedstock oil, by 5 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 1:1), 35 portions of sunflower oils and 60 portions of rapeseed oils add in reactor after fully mixing, after heat fused also fully mixes, add the Lipozyme RM IM of 4wt% in the mixture, along with stirring, 70 DEG C of reactions 6 hours.Now, adopt HPLC to measure, in product, unreacted medium-chain triglycerides content is below 3wt%.Filter above-mentioned lipase cessation reaction by crossing, filtrate is again through the obtained fat or oil composition 9 of refining (method of refining is with preparation example 5).Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 9, the content of medium-chain fatty acid is 5wt%, and the content of Long carbon chain saturated fatty acid is 9.24wt%, n-6 series polyunsaturated fatty acid is 5.2:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 10
By the Weight computation of each feedstock oil, by 25 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 2:8), 71 portions of soybean oils and 4 parts of perilla herb oils add in reactor after fully mixing, after heat fused also fully mixes, add the Lipozyme RM IM of 10wt% in the mixture, along with stirring, 90 DEG C of reactions 1 hour.Now, adopt HPLC to measure, in product, unreacted medium-chain triglycerides content is below 3wt%.Filter above-mentioned lipase cessation reaction by crossing, filtrate is again through the obtained fat or oil composition 10 of refining (method of refining is with preparation example 5).Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 10, the content of medium-chain fatty acid is 25wt%, and the content of Long carbon chain saturated fatty acid is 12.52wt%, n-6 series polyunsaturated fatty acid is 4.7:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 11
By the Weight computation of each feedstock oil, by 15 parts of medium-chain triglycerides (wherein, sad: the mass ratio of capric acid is 8:2), 47 portions of rapeseed oils and 38 portions of wheat-germ oils add in reactor after fully mixing, after heat fused also fully mixes, add the Lipozyme RM IM of 0.5wt% in the mixture, along with stirring, 40 DEG C of reactions 48 hours.Now, adopt HPLC to measure, in product, unreacted medium-chain triglycerides content is below 3wt%.Filter above-mentioned lipase cessation reaction by crossing, filtrate is again through the obtained fat or oil composition 11 of refining (method of refining is with preparation example 5).Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 11, the content of medium-chain fatty acid is 15wt%, and the content of Long carbon chain saturated fatty acid is 11.12wt%, n-6 series polyunsaturated fatty acid is 4:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Preparation example 12
Relative to the weight 100 parts of above-mentioned fat or oil composition 11, in obtained fat or oil composition 2, add 0.0000065 part of vitamin D, stir under room temperature condition and within 10 minutes, make it fully to mix, thus obtain fat or oil composition 12.Wherein, for the gross weight of all fatty acids of obtained fat or oil composition 12, the content of medium-chain fatty acid is 15wt%, and the content of Long carbon chain saturated fatty acid is 11.12wt%, n-6 series polyunsaturated fatty acid is 4:1 with the weight ratio of the serial polyunsaturated fatty acid of n-3.
Test example
Utilize the fat or oil composition 1-12 prepared in preparation example 1-12, milk powder product 1 ~ 12 is prepared respectively: by the total weight of each milk powder product, fat or oil composition 25 parts, skimmed milk power 60 parts, PURE WHEY 9 parts, soyabean protein powder 5 parts, FOS 0.5 part, oligoisomaltose 0.5 part that each embodiment is obtained by following formula.After above-mentioned raw materials is mixed, concentrate through sterilization and make with drying process with atomizing.Simultaneously, respectively using soybean oil and sunflower oil (providing by Donghai Grain and Oil Industry (Zhangjiagang) Co., Ltd.) as glyceride stock, prepare milk powder product in contrast according to above-mentioned milk powder proportioning and technique, be designated as contrast 1 and contrast 2 respectively.
Effect example
The milk powder product 1 ~ 12 prepared in above-mentioned test example, contrast 1 ~ 2 are prepared burden with other and carries out mixing (see table 1) and make feed, the Wistar rat in 84 surrounding ages is randomized in 14 groups and (is respectively experimental group 1 ~ 12 and control group 1 ~ 2), often organize 6 rats, weigh the original body mass of every rat in each group, calculate the average original body mass of each group of rat; Continuous nursing, after 6 weeks, weighs the final body weight of every rat in each group, calculates the average final body weight of each group of rat; Afterwards, rat is dissected, according to the soxhlet type fat measurement method that this area is conventional, measure each group of subcutaneous rat fat mass and visceral fat mass, calculate the mean value of each group of subcutaneous rat fat mass and visceral fat mass.Thus, the reduction accumulation of fat effect of the milk powder product containing fat or oil composition of the present invention is evaluated.Experimental result is in table 2.
Table 1 feed forms
Table 2 rat experiment result
Note: adopt variance analysis to carry out statistical analysis to experimental result,
atable does not have significant difference (p≤0.05) compared with contrast 1,
btable does not have significant difference (p≤0.05) compared with contrast 2.
As can be seen from the rat experiment result in upper table, total feed consumption of control group 1 and each experimental group, original body mass and final body weight do not have the significant difference on statistical significance; Compared with the result of control group 1, the subcutaneous rat of experimental group 1-12 is fatty and visceral fat mass is lower, has the significant difference on statistical significance;
Similarly, total feed consumption of control group 2 and each experimental group, original body mass and final body weight do not have the significant difference on statistical significance yet; Compared with the result of control group 2, the subcutaneous rat of experimental group 1-12 is fatty and visceral fat mass is lower, also has the significant difference on statistical significance.
Therefore, fat or oil composition of the present invention has the effect reducing body fat accumulation.
Claims (10)
1. a milk powder fat or oil composition, it is characterized in that, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 5 ~ 25wt%, Long carbon chain saturated fatty acid accounts for below 15wt%, and the weight ratio of n-6 series polyunsaturated fatty acid and n-3 series polyunsaturated fatty acid is (4 ~ 6): 1, wherein, described medium-chain fatty acid to be carbon number be 6 ~ 12 aliphatic acid, described Long carbon chain aliphatic acid to be carbon number be more than 14 aliphatic acid.
2. fat or oil composition as claimed in claim 1, wherein, for the gross weight of all fatty acids of formation fat or oil composition, medium-chain fatty acid accounts for 8 ~ 15wt%.
3. fat or oil composition as claimed in claim 1 or 2, wherein, for the gross weight of all fatty acids of formation fat or oil composition, Long carbon chain saturated fatty acid accounts for below 13wt%.
4. the method for the fat or oil composition of preparation according to any one of claim 1-3, wherein, described method comprises the steps: using Long carbon chain fatty acid triglycercide material and medium-chain triglycerides as raw material, after described raw material mixing, make it mixing by fully stirring, thus obtain described fat or oil composition.
5. method as claimed in claim 4, wherein, described method comprises and in described fat or oil composition, adds additive further.
6. the method for the fat or oil composition of preparation according to any one of claim 1-3, wherein, described method is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
(i) Long carbon chain fatty acid triglycercide material and medium-chain triglycerides are mixed as raw material, to obtain mixture;
(ii) described mixture is stirred dehydration in vacuum, in described mixture, add sodium methoxide or NaOH as catalyst, during using sodium methoxide as catalyst, at the temperature of 40 ~ 100 DEG C, stir under vacuum condition, ester exchange reaction is carried out, obtains product; Or, during using NaOH as catalyst, at the temperature of 90 ~ 180 DEG C, stir under vacuum condition, ester exchange reaction carried out, obtains product;
(iii) carry out cessation reaction by adding water, phosphate aqueous solution or aqueous citric acid solution in described product;
(iv) adopt HPLC to measure, when in product, the content of unreacted MCT is below 3wt%, cessation reaction, obtains the thick product of grease;
(v) the thick product of described grease to be washed, and dry, then this product is decoloured, deodorization, thus obtain described fat or oil composition.
7. method as claimed in claim 6, wherein, described method comprises and in described fat or oil composition, adds additive further.
8. the method for the fat or oil composition of preparation according to any one of claim 1-3, wherein, described method is enzymic transesterification method, and described enzymic transesterification method comprises the steps:
(i) Long carbon chain fatty acid triglycercide material and medium-chain triglycerides are mixed as raw material, to obtain mixture;
(ii) in described mixture, add lipase as catalyst, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) adopting HPLC to measure, when the content of unreacted MCT is lower than 3wt% in product, filtering enzyme cessation reaction, to obtain thick product by crossing;
(iv) described thick product is decoloured, deodorization, thus obtain described fat or oil composition.
9. method as claimed in claim 8, wherein, described method comprises and in described fat or oil composition, adds additive further.
10. the purposes of the fat or oil composition according to any one of claim 1-3 in preparation formula milk powder, wherein, for the gross weight of milk powder, adds described fat or oil composition with the amount of 10 ~ 30wt% in milk powder.
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| CN112772731A (en) * | 2021-01-22 | 2021-05-11 | 南昌大学 | Functional edible oil and preparation method and application thereof |
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