CN104255943A - Method for producing infant formula milk powder from desalted whey liquid - Google Patents
Method for producing infant formula milk powder from desalted whey liquid Download PDFInfo
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Abstract
The invention relates to a method for producing infant formula milk powder from desalted whey liquid. The method comprises the following steps: dissolving salt-containing whey powder with water at 35-50 DEG C to prepare salt-containing whey liquid with the dry matter content of 10%-20%; removing parts of positive ions by using positive ion exchange resin; lowering the pH to 1.8-3.0 to control the reproduction of microorganisms; carrying out multi-step desalting in sequence by nano-filtration, electro-osmosis and negative ion exchange resin to obtain desalted whey liquid with the dry content mass percent of 12%-30%; and standardizing the pH to 6.3-6.9 with one or two of mineral alkali liquor of sodium hydroxide or potassium hydroxide so as to obtain the desalted whey liquid suitable for producing the infant formula milk powder. According to the method, not only can deep desalting be carried out, but also microorganisms are effectively controlled in a desalting process, so that a phenomenon that microorganisms are controlled by a heating sterilizing manner after the desalting process is avoided. A process method of positive ion exchange, nano-filtration, electro-osmosis and negative ion exchange is selected and the salt-containing whey powder is processed into the desalted whey liquid with the ash content suitable for the infant formula milk powder; and the use amount of the desalted whey liquid in the formula milk powder is 350kg-3500kg per ton of powder.
Description
Technical field
The present invention relates to a kind of method using desalted whey liquid to produce milk power for infant and young children.
Background technology
Desalted whey powder is the very important raw material of milk power for infant and young children, consumption accounts for the 20-40% of total batching, the desalted whey powder that usual milk power for infant and young children industry uses has: the whey powder (D90 desalted whey powder) of ash content≤1.5% and the whey powder (D70 desalted whey powder) of ash content≤3.0%, and wherein the infant formula at 0-6 monthly age needs the whey powder using ash content≤1.5%.
China's milk power for infant and young children production and application desalted whey powder is complete dependence on import almost, imported product is not only expensive, but also be subject to pining down in trade, normal appearance shortage, supply shortage phenomenon, make China's milk power for infant and young children and even relevant grocery trade, light industry economic benefit had a strong impact on, enterprise often faces the passive situation that supplier could be selected and evaluate to the purchasing of raw materials.
Due to external cheese market-ripe, consumption figure is large, therefore its accessory substance whey aboundresources, whey powder whey directly dusted or produce different desalination degree is as D40 desalted whey powder, D50 desalted whey powder, D70 desalted whey powder, D90 desalted whey powder, wherein produce the requirement of D70 and D90 desalted whey powder to equipment higher, these resources also mainly rest in several large food ingredient companies's hand, and Comparatively speaking, food-grade sweet whey powder, the D40 desalted whey powder source of goods want sufficient a lot;
The technology being applied to whey desalination at present mainly contains the technology such as membrane filtration (ultrafiltration or nanofiltration), ion-exchange and electrodialysis; The all development formation on water demineralizing Process ba-sis of these technology.Membrane technology mainly retains the solute of certain molecular weight and improves material concentration, utilizes membrane technology to carry out low desalination, has the advantage of lower cost, but is difficult to realize height desalination; Ion exchange technique is removed some ion in whey by specific exchanger resin, but have selective; Electrodialysis allows ion by pellicle under utilizing the active force of electric field, retains the composition such as albumen, lactose and realize desalination, utilizes the low desalination of electrodialysis to have cost advantage, and height desalination is then because of the too large high cost on the contrary of power consumption.Therefore, several desalinating process can combine by the present invention, adopts substep ladder desalinating process scheme.
Due to external cheese market-ripe, whey aboundresources, therefore external desalinating process generally all directly utilizes cheese accessory substance whey liquid, its desalting processing is become desalted whey liquid again spraying dry make D70 level desalted whey powder or D90 level desalted whey powder, Infant Formula Enterprises enterprise buys corresponding desalted whey powder and carries out factory formula powder; And domestic grinding of desalination aspect is started late, at present mainly to the research of desalinating process or desalter, therefore, be processed into desalted whey liquid about use saliferous whey powder, realize the correlation technique of namely producing namely and also do not receive publicity.
Develop for Infant Formula Enterprises PRODUCTION TRAITS and be applicable to self-condition desalted whey production technology, reduce the dependence to import desalted whey powder, whey desalting technology is produced with Infant Formula Enterprises simultaneously and directly dock, realize namely producing namely using, for raising enterprise competitive advantage, increase economic efficiency, there is highly significant, also start the beginning of baby formula industry technology innovation simultaneously;
Summary of the invention
The object of this invention is to provide a kind of use saliferous whey powder is raw material, realizes whey powder ladder desalination process, and produces for milk power for infant and young children, realize namely producing namely using.
Technical scheme of the present invention is: a kind of method using desalted whey liquid to produce milk power for infant and young children, the method comprises: saliferous whey powder is through 35-50 DEG C of water-soluble solution, be configured to dry matter content 10-20% saliferous whey liquid, cationic ion-exchange resin is utilized to slough partial cation, pH drops to 1.8-3.0 to control the breeding of microorganism, pass through nanofiltration again, electrodialysis, anion exchange resin carries out the desalination of substep ladder successively, dry matter content mass percent 12-30% desalted whey liquid can be obtained, use one or both mineral alkali lye in NaOH or potassium hydroxide that pH is normalized to 6.3-6.9, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage, according to usage ratio in formula, desalted whey liquid is squeezed into other supplementary materials of wet mixing material-compound tank and formula powder to mix, mixed liquor enters the 24s sterilisation program that temperature is 90-95 DEG C subsequently, evaporate through triple effect evaporator, wherein 1st effective evaporator temperature 75-70 DEG C, 2nd effect evaporator temperature 70-65 DEG C, triple effect evaporation actuator temperature 65-60 DEG C, mixed liquor is concentrated into dry to mass percent 48-52%, carry out spraying dry, drying tower intake air temperature controls at 170-180 DEG C, air outlet temperature control 70-80 DEG C, after spraying dry, granular material is lowered the temperature by fluid bed, vibratory sieve sub-sieve laggard enter packing machine packaging.
The technology being applied to whey desalination at present mainly contains the technology such as membrane filtration (ultrafiltration or nanofiltration), ion-exchange and electrodialysis; These technology respectively have pluses and minuses, and play advantage, complementary shortcoming, could realize low cost advanced desalination, the process program that therefore preferred ion of the present invention exchanges, nanofiltration and electrodialysis combine the desalination of substep ladder.
The present invention not only can realize advanced desalination, also effectively will control microorganism at desalination processes, avoids desalination to terminate the mode of rear employing pasteurization to control microorganism.Because heating can cause lactalbumin sex change in various degree, this not only can affect the organoleptic indicator of prescription emulsifiable powder, and is unfavorable for that infant digests and assimilates.Lactalbumin is a kind of colloidal solution in aqueous, and its isoelectric pH scope is 4.5-5.5, and at normal temperatures, even if whey liquid pH reaches 4.5-5.5, lactalbumin also can not precipitate, and this is the characteristic of lactalbumin colloidal solution.Therefore, the present inventor thinks: first, and the first step of desalination adopts cation exchange method, by the H in cation exchange resin
+replace the bivalent cation such as calcium, magnesium in saliferous whey liquid, through actual verification, after the method process, pH can drop to less than 3.0, and under this sour environment, whey liquid temperature controls below 15 DEG C, and desalination processes effectively can control microbial reproduction; Second step desalination, adopts the method for nanofiltration to slough part monovalence zwitterion and realizes concentrated, and whey liquid total amount is reduced 20-35% to improve the efficiency of follow-up desalination, the 3rd step desalination, adopts electrodialysis desalination, can removal unit forked rubbing ion again; Final step, adopts anion exchange methods, by the OH in anion-exchange resin
-replace remaining most of anion, discharge OH simultaneously
-can in and in whey liquid most H+, pH can bring up to 4.6-5.6, the advanced desalination of saliferous whey liquid can be realized through the combination of above-mentioned four kinds of methods, and effectively can control the breeding of microorganism.Therefore the present invention selects the process of cation exchange, nanofiltration, electrodialysis, anion exchange, realizes saliferous whey powder to be processed into ash content and meets the desalted whey liquid that milk power for infant and young children uses.
Although external saliferous whey powder aboundresources, also there is very different situation in quality, in order to ensure milk power for infant and young children quality safety, the present inventor is studied from prescription emulsifiable powder design angle the raw material being applicable to this method.First require it is that saliferous whey powder low desalted whey powders such as () sweet whey powder, D40 must from the enterprise possessing food production qualification, and product is grown relevant laws and regulations requirements such as smell is good, microbiological indicator, pollutant limitation should meet GB11674 (whey powder and PURE WHEY), GB2762 (pollutants in food limitation), GB2761 (in food, mycotoxin is limited the quantity); In addition, Cobastab in cow's milk, whey powder
2with content of choline comparatively horn of plenty, according to " Chinese residents Dietary Reference Intakes " RNIS to 0-36 month infant's recommendation: Cobastab
2400-600 μ g/ days, choline 100-200mg/ days, do not need strengthening or a small amount of this nutrient of strengthening, therefore, ensure the steady quality of this index of Infant Formula Enterprises, to the Cobastab in saliferous whey powder in usual prescription emulsifiable powder
2there are certain requirements with content of choline scope.In sum, on the basis meeting GB11674 (whey powder and PURE WHEY), the ingredient requirement being applicable to this method is as follows:
1, organoleptic requirements:
| project | requirement |
| color and luster | light yellow in uniformity. |
| flavour and smell | there is the distinctive taste smell of this product, without obvious tart flavour, bitter taste, peculiar smell. |
| structural state | dry, uniform powder. |
| brew | stirring can be dissolved in rapidly in 50 DEG C of water, without flocculus, without agglomerate. |
2, physicochemical requirements:
| Project | Index (every 100g) | The method of inspection |
| Ash content/(g)≤ | 9.0 | GB?5009.4 |
| Moisture/(g)≤ | 5.0 | GB?5009.3 |
| Fat/(g)≤ | 1.2 | GB?5413.3 |
| Protein/(g) >= | 11.0 | GB?5009.5 |
| Nonprotein nitrogen/(g)≤ | 0.5 | GB/T?21704 |
| Lactose/(g) >= | 70.0 | GB?5413.5 |
| Cobastab 2(μg) | 600-4000 | GB?5413.12 |
| Choline (mg) | 60-250 | GB/T?5413.20 |
| Acidity (lactic acid)/(%)≤ | 0.12 | GB?5413.34 |
| Insolubility Index/(mL)≤ | 0.3 | GB?5413.29 |
| PH value | 5.5-7.0 | 10% solution, room temperature |
| Impurity degree/(mg/kg)≤ | 12 | GB?5413.30 |
3, hygienic requirements:
4, mycotoxin limitation requires:
| Project | Index | The method of inspection |
| Aflatoxins M1/(μ g/kg)≤ | 0.5 | GB?5413.37 |
5, microorganism limitation requirement
Ash requirements≤4% of regulation 0-6 month infant formula powder in GB10765 (infant formula); Ash requirements≤5% of the regulation 6-12 month and 12-36 month infant formula powder in GB10767 (larger baby and baby formula), because 12-36 month child increases various mineral requirement amount, the ash content tolerance degree total to formula powder also increases, and the ash content in saliferous whey powder is mainly from the natural mineral matter salt in cow's milk, so there is no necessaryly ash content be taken off to reaching D90 rank, D70 level desalted whey powder is well suited for, for baby formulas milk powder, can providing the mineral composition of the natural high-quality of part.
D90 desalted whey liquid can directly be obtained by desalter, and D70 desalted whey liquid can be mixed in the ratio of 15-26% by D90 whey liquid and saliferous whey liquid and realizes; In order to the production of desalted whey liquid for prescription emulsifiable powder can be ensured, ensure prescription emulsifiable powder Product quality and safety simultaneously, the present inventor studies desalted whey liquid quality standard, GB11674 (whey powder and PURE WHEY) basis is determined D70 and the D90 desalted whey liquid being applicable to prescription emulsifiable powder production requires as follows:
1, organoleptic requirements:
2, physicochemical requirements:
3, hygienic requirements:
| Project | Index | The method of inspection |
| Plumbous (in Pb)/(mg/kg)≤ | 0.05 | GB?5009.12 |
| Total arsenic (in As)/(mg/kg)≤ | 0.1 | GB/T?5009.11 |
| Total mercury (in Hg)/(mg/kg)≤ | 0.01 | GB/T?5009.17 |
| Chromium (in Cr)/(mg/kg)≤ | 0.3 | GB/T?5009.123 |
| Nitrite (in NaNO2) (mg/kg)≤ | 0.36 | GB?5009.33 |
4, microorganism limitation requires:
5, mycotoxin limitation
| Project | Index | The method of inspection |
| Aflatoxin M 1/(μg/kg)≤ | 0.5 | GB?5413.37 |
In a word, the invention provides one with saliferous whey powder for desalted whey liquid produced by raw material, and be directly used in the method for Infant Formula Enterprises production, that is: saliferous whey powder (sweet whey powder or the low whey powder of D40) is through 35-50 DEG C of water-soluble solution, be configured to dry matter content 10-20% saliferous whey liquid, cationic ion-exchange resin is utilized to slough partial cation, pH drops to 1.8-3.0 to control the breeding of microorganism, pass through nanofiltration again, electrodialysis, anion exchange resin carries out ladder desalination, dry matter content 12-30% desalted whey liquid can be obtained, use mineral alkali lye that pH is normalized to 6.3-6.9, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage, carry out batching according to desalted whey liquid usage ratio (350kg-3500kg) in different phase milk power for infant and young children formula to produce, the present invention preferentially adopts powder class supplementary material mixed dissolution at 30-50 DEG C such as fresh milk and lactose, concentrated whey protein powder, prebiotics, after 20-45Mpa homogeneous, again desalted whey liquid is squeezed into wet mixing material-compound tank mix with it, enter the processes such as sterilization, concentrated, spraying dry subsequently.
The present invention use desalted whey liquid produce the industrialization of the technical scheme of milk power for infant and young children abroad, domesticly to still belong to the first time, the present invention has following advantage: one, and saliferous whey powder raw material is sufficient, can optimum selecting; They are two years old, cost performance is high, reduce Milk Powder Formula For Infants batching cost, current D90 desalted whey powder procurement price is at 2.45 ten thousand/tons, sweet whey powder procurement price 1.3 ten thousand/ton, the production cost of deduction this programme, estimate that substituting import D90 desalted whey powder per ton can save 0.6 ten thousand/ton, year can be saved up to ten million; Its three, optimize industry upstream critical materials structure, producing desalted whey liquid based on the solution of the present invention, is auxiliary with import D90 desalted whey powder, terminates Infant Formula Enterprises enterprise by the valency of desalted whey powder and pining down of source of goods business fluctuations.
The present invention is from milk power for infant and young children design angle, by groping aspects such as desalination process, desalination processes control of microorganisms, saliferous whey powder and desalted whey liquid technical indicators and study, achieve with saliferous whey powder as raw material, produce the two kind specification desalted whey liquid suitable with D90 and D70 powder, need according to different formulations, formula powder per ton is used for milk power for infant and young children in the ratio of use amount 350kg-3500kg and produces, and can obtain the milk power for infant and young children meeting relevant criterion.
Accompanying drawing explanation
Fig. 1 is that the present invention uses desalted whey liquid to produce the process flow diagram of the embodiment of milk power for infant and young children.
Detailed description of the invention
A kind of method using desalted whey liquid to produce milk power for infant and young children, as shown in Figure 1, the method comprises: saliferous whey powder is through 35-50 DEG C of water-soluble solution, be configured to dry matter content 10-20% saliferous whey liquid, cation ion exchange resin is utilized to slough partial cation, pH drops to 1.8-3.0 to control the breeding of microorganism, pass through nanofiltration again, electrodialysis, anion exchange resin carries out the desalination of substep ladder successively, dry matter content mass percent 12-30% desalted whey liquid can be obtained, use one or both mineral alkali lye in NaOH or potassium hydroxide that pH is normalized to 6.3-6.9, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage, according to usage ratio in formula, desalted whey liquid is squeezed into other supplementary materials of wet mixing material-compound tank and formula powder to mix, mixed liquor enters the 24s sterilisation program that temperature is 90-95 DEG C subsequently, evaporate through triple effect evaporator, wherein 1st effective evaporator temperature 75-70 DEG C, 2nd effect evaporator temperature 70-65 DEG C, triple effect evaporation actuator temperature 65-60 DEG C, mixed liquor is concentrated into dry to mass percent 48-52%, carry out spraying dry, drying tower intake air temperature controls at 170-180 DEG C, air outlet temperature control 70-80 DEG C, after spraying dry, granular material is lowered the temperature by fluid bed, vibratory sieve sub-sieve laggard enter packing machine packaging.
Saliferous whey powder adopts sweet whey powder.
Saliferous whey powder can also adopt D40 level desalted whey powder to be raw material.
With saliferous whey powder for raw material, through 35-50 DEG C of water-soluble solution, be configured to dry matter content mass percent 10-20% saliferous whey liquid, cool to 12 DEG C by plate type heat exchanger, first cation exchange is carried out, pH value is reduced to 1.8-3.0, then whey carried out partially desalted through three grades of nanofiltrations and be concentrated to the 25-26% of total solid content, again through the further desalination of electrodialysis, electrical conductivity controls at 1ms/cm-1.5ms/cm, finally by anion exchange, remove remaining anion in whey, the content of salt in product is made to drop to mass percent 0.45-0.82% (dry basis), the pH value of whey adjusts to 4.5-5.5, both KOH and NaOH mass ratio is adopted to be that whey liquid pH adjusts to and is normalized to 6.3-6.9 by the solution of 1:1 after desalination completes, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage.
The use amount of desalted whey liquid in Infant Formula Enterprises is 350kg-3500kg/ ton powder.
Embodiment 1
Raw material is purchased from certain brand sweet whey powder of Germany.
Raw material is checked and accepted: sense organ, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
| Project | Detected value | Index request | The method of inspection |
| Ash content/(g/100g) | 7.6 | ≤9.0 | GB?5009.4 |
| Protein/(g/100g) | 12.4 | ≥11.0 | GB?5009.5 |
| Lactose/(g/100g) | 75.2 | ≥70.0 | GB?5413.5 |
| Cobastab 2(μg/100g) | 2000 | 600-4000 | GB?5413.12 |
| Choline (mg/100g) | 135 | 60-250 | GB/T?5413.20 |
| pH | 6.22 | 5.5-7.0 | 10% solution, room temperature |
| Heat endurance | Without cotton-shaped and floccule | Without cotton-shaped and floccule | 90 DEG C, 5 minutes |
| Total plate count/(cfu/g) | 1800,2400,2200,2100,2200 | n5,c0,m10000,M20000 | GB?4789.2 |
Molten powder:
10.4 tons of sweet whey powder are mixed with 60 tons of normal-temperature water by Vacuum Mixture device, are dissolved in two 45 tons molten powder tanks respectively, dry matter content greatly about 14-15%, in 35 minutes by material in cyclic process by hot water heating to 40 DEG C, maintenance 5min;
Desalting processing:
The material of molten powder tank after filtration, be cooled to 12 DEG C, the first step enters cation exchange column, and to remove calcium, magnesium be main cation, and outlet pH drops to 1.9-2.2; Second step enters nanofiltration module, pH1.9-2.2, and material is concentrated into dry matter content 24-25% herein; Concentrated material is warming up to 38 DEG C and carries out electrodialysis, pH1.9-2.2 by the 3rd step, and by the desalting processing of two electrodialysis module stacks, electrical conductivity is about 2ms/cm; 4th step, the material of electrodialysis outlet is down to less than 6 DEG C, enters anion-exchange column, remaining most of anion in removing whey, and the PH of whey is raised to 4.9-5.1;
PH standardization:
The pH scope of whey liquid, at 4.9-5.1, uses 13.3kg food-grade potassium hydroxide and 6.2kg NaOH that pH is adjusted to 6.6, obtains 42.9 tons of desalted whey liquid, content of ashes 0.11% in product, yield 82.4%.
Check and accept:
This desalted whey liquid inductance official, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
Formula powder is prepared burden:
Vitamin and mineral matter use 10 times of deionized water dissolvings respectively, lactose, FOS, vegetable oil, vitamin and mineral matter are mixed with milk by Vacuum Mixture device successively, temperature controls at 40 DEG C, after 45Mpa homogeneous, squeeze into wet mixing material-compound tank keep in, desalted whey liquid is squeezed into wet mixing material-compound tank mix with it, enter the processes such as sterilization, concentrated, spraying dry subsequently.Infant formula per ton (1 section) batching consumption is as follows:
Note: 3kg 1 section of each vitamin content of composite vitamin is: vitamin A: 76.6g; Vitamin D: 48g; Vitamin E: 360g; Vitamin K
1: 18g; Cobastab
1: 9.1g; Cobastab
6: 7.2g; Cobastab
12: 18g; Nicotinic acid: 60g; Folic acid: 18.3g; Pantothenic acid 28.4g; Vitamin C: 1518g; Biotin: 21g, other are lactose (carrier)
2kg 1 section of each content of mineral substances of composite mineral matter is: magnesium sulfate: 800g; Ferric pyrophosphate: 208g; Zinc sulfate: 109g; Manganese sulfate: 13.8g; Potassiumiodate: 1.35g; Copper sulphate: 11.2g; Sodium selenite: 45g, other are lactose (carrier)
The index such as infant formula sense organ, physics and chemistry, vitamin, mineral matter, health that the present embodiment obtains meets the requirement of company standard and national relevant laws and regulations standard, not quite clearly here lists, and wherein key index is as follows:
Embodiment 2
Raw material is that this whey powder heat endurance is defective, but after this method process, also can obtain the desalted whey liquid that heat endurance is qualified purchased from certain brand sweet whey powder of France.
Raw material is checked and accepted:
This batch of sweet whey powder sense organ, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, not quite clearly here list, and wherein key index is as follows:
| Project | Detected value | Index request | The method of inspection |
| Ash content/(g/100g) | 7.0 | ≤9.0 | GB?5009.4 |
| Protein/(g/100g) | 11.3 | ≥11.0 | GB?5009.5 |
| Lactose/(g/100g) | 74.3 | ≥70.0 | GB?5413.5 |
| Cobastab 2(μg/100g) | 2200 | 600-4000 | GB?5413.12 |
| Choline (mg/100g) | 151 | 60-250 | GB/T?5413.20 |
| pH | 6.34 | 5.5-7.0 | 10% solution, room temperature |
| Heat endurance | Without cotton-shaped and floccule | Without cotton-shaped and floccule | 90 DEG C, 5 minutes |
| Total plate count/(cfu/g) | 760,840,730,750,890,810 | n5,c0,m10000,M20000 | GB?4789.2 |
Molten powder:
5 tons of sweet whey powder are mixed with 30 tons of normal-temperature water by Vacuum Mixture device, are dissolved in 1 45 tons molten powder tanks respectively, dry matter content control 14-15%, in 45 minutes by material in cyclic process by hot water heating to 40 DEG C, maintenance 5min;
Desalting processing:
The material of molten powder tank after filtration, be cooled to 10 DEG C, the first step enter cation exchange column remove based on the cation of calcium, magnesium, export pH drop to 1.9; Second step enters nanofiltration module, and pH still maintains 1.9, and material is concentrated into dry matter content 24.6% herein; Concentrated material is warming up to 45 DEG C and carries out electrodialysis by the 3rd step, and pH still maintains pH1.9, by the desalting processing of two electrodialysis module stacks, and near about the 2ms/cm of electrical conductivity; 4th step, the material of electrodialysis outlet is down to less than 6 DEG C, enters anion-exchange column, remaining most of anion in removing whey, and the pH value of whey is raised to 5.1;
PH standardization:
The pH value of whey, 5.1, uses 4.98kg food-grade potassium hydroxide and 4.2kg NaOH that pH is adjusted to 6.81, obtains 19.97 tons of desalted whey liquid, content of ashes 0.09% in product, yield 83.6%.
Check and accept:
This desalted whey liquid inductance official, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
Formula powder is prepared burden:
Vitamin and mineral matter use 10 times of deionized water dissolvings respectively, lactose, FOS, vegetable oil, vitamin and mineral matter are mixed with milk by Vacuum Mixture device successively, temperature controls 40 DEG C, after 45Mpa homogeneous, squeeze into wet mixing material-compound tank keep in, desalted whey liquid is squeezed into wet mixing material-compound tank mix with it, enter the processes such as sterilization, concentrated, spraying dry subsequently.Larger infant formula per ton (2 sections) batching consumption is as follows:
Note: to be each vitamin content be the composite vitamin of 3kg2 section: vitamin A: 88.6g, vitamin D: 52.8g, vitamin E: 180g, vitamin K
1: 14.4g, Cobastab
1: 8.9g, Cobastab
6: 8.8g, Cobastab
12: 5.9g, nicotinic acid: 54.5g, folic acid: 10g, pantothenic acid: 28.4g, vitamin C: 1123g, biotin: 17.6g;
The each vitamin content of the composite mineral matter of 1kg2 section is: ferric pyrophosphate: 354g, zinc sulfate: 76.9g, Potassiumiodate: 0.34g, copper sulphate: 10.2g,
The indexs such as 2 sections of larger infant formula sense organs, physics and chemistry, vitamin, mineral matter, health that the present embodiment obtains meet the requirement of company standard and national relevant laws and regulations standard, not quite clearly here list, and wherein key index is as follows:
| Project | Company standard | Detected value | The method of inspection |
| Ash content (g/100g) | ≤5.0 | 3.6 | GB?5009.4 |
| Protein (/ 100g) | 14.3-24 | 16.1 | GB?5009.5 |
| Cobastab 2(μg/100g) | ≥224 | 1170 | GB?5413.12 |
| Choline (mg/100g) | 40-240 | 101 | GB/T?5413.20 |
| Total plate count (cfu/g) | n5,c0,m1000,M10000 | 310,280,390,330,350 | GB?4789.2 |
Embodiment 3
Raw material is purchased from the low desalted whey powder of German state brand D40.
Raw material is checked and accepted: this whey powder sense organ, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
| Project | Detected value | Index request | The method of inspection |
| Ash content/(g/100g) | 4.9 | ≤9.0 | GB?5009.4 |
| Protein/(g/100g) | 12.1 | ≥11.0 | GB?5009.5 |
| Lactose/(g/100g) | 77.6 | ≥70.0 | GB?5413.5 |
| Cobastab 2(μg/100g) | 2000 | 600-4000 | GB?5413.12 |
| Choline (mg/100g) | 115 | 60-250 | GB/T?5413.20 |
| pH | 6.42 | 5.5-7.0 | 10% solution, room temperature |
| Heat endurance | Without cotton-shaped and floccule | Without cotton-shaped and floccule | 90 DEG C, 5 minutes |
| Total plate count/(cfu/g) | 4200,5400,4200,5100,5200 | n5,c0,m10000,M20000 | GB?4789.2 |
Molten powder:
10.5 tons of sweet whey powder are mixed with 60 tons of normal-temperature water by Vacuum Mixture device, are dissolved in 2 45 tons molten powder tanks respectively, dry matter content control 14-15%, in 50 minutes by material in cyclic process by hot water heating to 45 DEG C;
Desalting processing
The material of molten powder tank after filtration, be cooled to 10 DEG C, the first step enter cation exchange column remove based on the cation of calcium, magnesium, export pH drop to pH1.7-1.9; Second step enters nanofiltration module, and pH still maintains pH1.7-1.9, and material is concentrated into dry matter content 24-25% herein; Concentrated material is warming up to 40 DEG C and carries out electrodialysis by the 3rd step, and pH still maintains pH1.7-1.9, by the desalting processing of two electrodialysis module stacks, and near about the 2ms/cm of electrical conductivity; 4th step, the material of electrodialysis outlet is down to less than 6 DEG C, enters anion-exchange column, remaining most of anion in removing whey, and the pH value of whey is raised to pH4.8-5.0;
PH standardization:
The pH value of whey, at 4.8-5.0, uses 9.9kg food-grade potassium hydroxide and 8.1kg NaOH that pH is adjusted to pH6.78, obtains 46.56 tons of desalted whey liquid, content of ashes 0.12% in product, yield 83.8%.
Check and accept:
This desalted whey liquid inductance official, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
Formula powder is prepared burden: vitamin and mineral matter use 10 times of deionized water dissolvings respectively, lactose, FOS, vegetable oil, vitamin and mineral matter are mixed with milk by Vacuum Mixture device successively, temperature controls 40 DEG C, after 45Mpa homogeneous, squeeze into wet mixing material-compound tank keep in, desalted whey liquid is squeezed into wet mixing material-compound tank mix with it, enter the processes such as sterilization, concentrated, spraying dry subsequently.Baby formulas milk powder per ton (3 sections) batching consumption is as follows:
Note: to be each vitamin content be the composite vitamin of 3kg3 section: vitamin A: 80.6g, vitamin D: 50.8g, vitamin E: 180g, vitamin K1: 12.5g, Cobastab
1: 8.9g, Cobastab
6: 8.5g, Cobastab
12: 5.6g, nicotinic acid: 50.5g, folic acid: 10g, pantothenic acid: 28g, vitamin C: 1120g, biotin: 17.6g;
In 1kg, 3 sections of each vitamin contents of composite mineral matter are: ferric pyrophosphate: 354g, zinc sulfate: 76.9g, Potassiumiodate: 0.30g, copper sulphate: 8.9g,
The indexs such as 3 sections of baby formulas milk powder sense organs, physics and chemistry, vitamin, mineral matter, health that the present embodiment obtains meet the requirement of company standard and national relevant laws and regulations standard, not quite clearly here list, and wherein key index is as follows:
| Project | Company standard | Detected value | The method of inspection |
| Ash content (g/100g) | ≤5.0 | 3.85 | GB?5009.4 |
| Protein (/ 100g) | 14.3-24 | 17.2 | GB?5009.5 |
| Cobastab 2(μg/100g) | ≥224 | 1160 | GB?5413.12 |
| Choline (mg/100g) | 40-240 | 109 | GB/T?5413.20 |
| Total plate count (cfu/g) | n5,c0,m1000,M10000 | 450,510,490,430,450 | GB?4789.2 |
Embodiment 4
Raw material is purchased from American brand sweet whey powder.
Raw material is checked and accepted: this whey powder sense organ, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
Molten powder:
10.5 tons of sweet whey powder are mixed with 60 tons of normal-temperature water by Vacuum Mixture device, are dissolved in 2 45 tons molten powder tanks respectively, dry matter content control 14-15%, in 45 minutes by material in cyclic process by hot water heating to 40 DEG C;
Desalting processing
The material of molten powder tank after filtration, be cooled to 10 DEG C, the first step enter cation exchange column remove based on the cation of calcium, magnesium, export pH drop to pH2.1-2.3; Second step enters nanofiltration module, and pH still maintains pH2.1-2.3, and material is concentrated into dry matter content 24-25% herein; Concentrated material is warming up to 40 DEG C and carries out electrodialysis by the 3rd step, and pH still maintains pH2.1-2.3, by the desalting processing of two electrodialysis module stacks, and near about the 2ms/cm of electrical conductivity; 4th step, the material of electrodialysis outlet is down to less than 6 DEG C, enter anion-exchange column, remaining most of anion in removing whey, in product, the content of salt drops to about 0.09%, and the pH value of whey is raised to 5.0-5.2, obtains 42.36 tons of D90 level whey liquid (ash contents 0.09%, dry matter content 19.9%), be mixed into D70 level whey liquid with 13 tons of saliferous whey liquids (dry 18.92%);
PH standardization:
The pH value of whey, 5.3, uses 9.3kg food-grade potassium hydroxide and 8.3kg NaOH that pH is adjusted to pH6.77, obtains 55.54 tons of desalted whey liquid, yield 84.7%.
Check and accept:
This desalted whey liquid inductance official, physical and chemical index, microorganism and pollutant limitation all meet quality criteria requirements, and not quite clearly here list, wherein key index is as follows:
Formula powder is prepared burden: vitamin and mineral matter use 10 times of deionized water dissolvings respectively, lactose, FOS, vegetable oil, vitamin and mineral matter are mixed with milk by Vacuum Mixture device successively, temperature controls 40 DEG C, after 45Mpa homogeneous, squeeze into wet mixing material-compound tank keep in, desalted whey liquid is squeezed into wet mixing material-compound tank mix with it, enter the processes such as sterilization, concentrated, spraying dry subsequently.Baby formulas milk powder (3 sections) batching consumption is as follows:
| Sequence number | Material name | Use amount (kilogram) | Sequence number | Material name | Use amount (kilogram) |
| 1 | Raw milk | 4200 | 5 | WPC80 PURE WHEY | 30 |
| 2 | D70 desalted whey liquid | 1420 | 6 | 3 sections of composite vitamins | 3 |
| 3 | Lactose | 130 | 7 | 3 sections of composite mineral matters | 1 |
| 4 | Soybean oil | 40 | 8 | Calcium carbonate | 4 |
Note: to be each vitamin content be the composite vitamin of 3kg3 section: vitamin A: 80.6g, vitamin D: 50.8g, vitamin E: 180g, vitamin K1: 12.5g, Cobastab
1: 8.9g, Cobastab
6: 8.5g, Cobastab
12: 5.6g, nicotinic acid: 50.5g, folic acid: 10g, pantothenic acid: 28g, vitamin C: 1120g, biotin: 17.6g;
In 1kg, 3 sections of each vitamin contents of composite mineral matter are: ferric pyrophosphate: 354g, zinc sulfate: 76.9g, Potassiumiodate: 0.30g, copper sulphate: 8.9g,
The indexs such as 3 sections of baby formulas milk powder sense organs, physics and chemistry, vitamin, mineral matter, health that the present embodiment obtains meet the requirement of company standard and national relevant laws and regulations standard, not quite clearly here list, and wherein key index is as follows:
| Project | Company standard | Detected value | The method of inspection |
| Ash content (g/100g) | ≤5.0 | 4.2 | GB?5009.4 |
| Protein (/ 100g) | 14.3-24 | 17.9 | GB?5009.5 |
| Cobastab 2(μg/100g) | ≥224 | 1160 | GB?5413.12 |
| Choline (mg/100g) | 40-240 | 110 | GB/T?5413.20 |
| Total plate count (cfu/g) | n5,c0,m1000,M10000 | 370,410,400,390,450 | GB?4789.2 |
Claims (5)
1. the method using desalted whey liquid to produce milk power for infant and young children, it is characterized in that: the method comprises: saliferous whey powder is through 35-50 DEG C of water-soluble solution, be configured to dry matter content 10-20% saliferous whey liquid, cationic ion-exchange resin is utilized to slough partial cation, pH drops to 1.8-3.0 to control the breeding of microorganism, pass through nanofiltration again, electrodialysis, anion exchange resin carries out the desalination of substep ladder successively, dry matter content mass percent 12-30% desalted whey liquid can be obtained, use one or both mineral alkali lye in NaOH or potassium hydroxide that pH is normalized to 6.3-6.9, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage, according to usage ratio in formula, desalted whey liquid is squeezed into other supplementary materials of wet mixing material-compound tank and formula powder to mix, mixed liquor enters the 24s sterilisation program that temperature is 90-95 DEG C subsequently, evaporate through triple effect evaporator, wherein 1st effective evaporator temperature 75-70 DEG C, 2nd effect evaporator temperature 70-65 DEG C, triple effect evaporation actuator temperature 65-60 DEG C, mixed liquor is concentrated into dry to mass percent 48-52%, carry out spraying dry, drying tower intake air temperature controls at 170-180 DEG C, air outlet temperature control 70-80 DEG C, after spraying dry, granular material is lowered the temperature by fluid bed, vibratory sieve sub-sieve laggard enter packing machine packaging.
2. a kind of method using desalted whey liquid to produce milk power for infant and young children according to claim 1, is characterized in that: saliferous whey powder adopts sweet whey powder.
3. a kind of method using desalted whey liquid to produce milk power for infant and young children according to claim 1, is characterized in that: saliferous whey powder adopts D40 level desalted whey powder to be raw material.
4. a kind of method using desalted whey liquid to produce milk power for infant and young children according to claim 1, it is characterized in that: with saliferous whey powder for raw material, through 35-50 DEG C of water-soluble solution, be configured to dry matter content mass percent 10-20% saliferous whey liquid, cool to 12 DEG C by plate type heat exchanger, first cation exchange is carried out, pH value is reduced to 1.8-3.0, then whey carried out partially desalted through three grades of nanofiltrations and be concentrated to the 25-26% of total solid content, again through the further desalination of electrodialysis, electrical conductivity controls at 1ms/cm-1.5ms/cm, finally by anion exchange, remove remaining anion in whey, the content of salt in product is made to drop to mass percent 0.45-0.82% (dry basis), the pH value of whey adjusts to 4.5-5.5, both KOH and NaOH mass ratio is adopted to be that whey liquid pH adjusts to and is normalized to 6.3-6.9 by the solution of 1:1 after desalination completes, the desalted whey liquid that milk power for infant and young children is produced can be applicable to, and in temporary storage tank 4-10 DEG C of storage.
5. require a kind of method using desalted whey liquid to produce milk power for infant and young children described in 1 according to claims, it is characterized in that: the use amount of desalted whey liquid in Infant Formula Enterprises is 350kg-3500kg/ ton powder.
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| CN109907157A (en) * | 2019-04-12 | 2019-06-21 | 厦门亿赛膜技术有限公司 | A kind of method and system for producing MPC and lactose powder using milk |
| CN112646847A (en) * | 2019-10-12 | 2021-04-13 | 内蒙古伊利实业集团股份有限公司 | Preparation method of galactose glucose mixture |
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| CN116158469A (en) * | 2023-02-24 | 2023-05-26 | 贝因美（杭州）食品研究院有限公司 | Instant infant formula milk powder and preparation method thereof |
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Application publication date: 20150107 |