CN112273557A - Pet nutrition paste for old people and preparation method thereof - Google Patents

Abstract

The application relates to the technical field of pet foods, and particularly discloses a nutritional paste for an elderly pet and a preparation method thereof, wherein the nutritional paste for the elderly pet comprises, by weight, 30-40% of chicken powder; 10-20% of cod liver oil; 20-30% of carbohydrate; 3-6% of protein powder; 0.5-1% of antioxidant; 0.5-1% of plant extract; 0.8 to 1.5 percent of mineral; 0.05 to 0.3 percent of vitamin; 0.15 to 0.25 percent of sodium benzoate; the balance of water; the plant extract comprises radix Isatidis extract and broccoli extract; the mineral comprises at least one of calcium citrate, magnesium gluconate, and ferric amino acid; the vitamins include one or more of vitamin A, vitamin D, vitamin E, vitamin K, and vitamin B5; the antioxidant comprises at least one of taurine and polyphenol compounds; the nutritional paste for senior pet has effects of improving digestive ability and immunity of senior pet dog.

Description

Pet nutrition paste for old people and preparation method thereof

Technical Field

The application relates to the technical field of pet foods, in particular to a nutritional paste for old pets and a preparation method thereof.

Background

At present, with the improvement of living standard and the acceleration of life rhythm, pet breeding becomes an important way for releasing pressure and soothing mood of people, and more people use pets as one of families. For pet dogs, the physical quality of the pet dogs is poor due to factors such as urban living environment, small activity range and the like. In order to improve the physical quality of the pet dog, people usually feed the pet dog with the nutritional paste to supplement nutrition and enhance the immunity of the pet dog.

Publication No. CN110604218A discloses a formula and a preparation method of a pet nutrition paste. The pet nutrition paste comprises, by weight, 8-10 parts of meat meal, 3-4 parts of a thickening agent, 0.4-0.5 part of a bacteriostatic agent, 0.443-0.705 part of vitamin, 0.03-0.05 part of beta-carotene, 0.53-1.06 part of mineral substances, 5.0-6.0 parts of animal oil, 8-10 parts of sorbitol and 40-50 parts of syrup.

Aiming at the related technologies, the pet nutrition paste contains more syrup, for pet dogs with older ages, each organ of the body is aged gradually along with the age, if the pet nutrition paste is continuously eaten for a long time, excessive syrup is easily taken, the old pet dogs are easy to get fat, a series of diseases such as diabetes, fatty liver and the like are induced, the digestive system and the immune system are further degraded, and the digestive ability and the immune ability of the old pet dogs are damaged.

Content of application

In order to improve the digestion capacity and the immunity of the senior pet dog, the application provides a senior pet nutrition paste and a preparation method thereof.

In a first aspect, the application provides a nutritional paste for senior pets, which adopts the following technical scheme:

the nutritional paste for the aged pets comprises the following components in percentage by weight:

30-40% of chicken powder;

7-10% of cod liver oil;

20-30% of carbohydrate;

3-6% of protein powder;

0.5-1% of antioxidant;

0.5-1% of plant extract;

mineral 0.8-1.5%

0.2 to 0.3 percent of vitamin;

0.15 to 0.25 percent of sodium benzoate;

the balance of water;

the plant extract consists of an isatis root extract and a broccoli extract;

the mineral comprises at least one of calcium citrate, magnesium gluconate and ferric amino acid;

the vitamins include one or more of vitamin A, vitamin D, vitamin E, vitamin K, and vitamin B5;

the antioxidant comprises at least one of taurine and polyphenol compounds.

By adopting the scheme, the components which are easy to absorb, such as chicken meal, cod-liver oil, protein powder and carbohydrate, are added to provide energy for the aged pet dog, and meanwhile, the cod-liver oil, the plant extract and the mineral act together, so that the absorption of calcium citrate, magnesium gluconate and ferric amino acid in the mineral by the aged pet dog is improved, the calcium content and the iron content in the body of the aged pet dog are improved, and the immunity of the aged pet dog is improved. The radix isatidis extract and the broccoli extract in the plant extract are matched with each other, so that the anticancer capability and the immunity of the aged pet dog are improved; in the antioxidant, taurine and polyphenol compounds are mutually cooperated to reduce free radicals in the body of the aged pet dog, so that an antioxidant effect is achieved, and meanwhile, the taurine and polyphenol compounds are mutually cooperated with protein powder, plant extracts and carbohydrate to promote gastrointestinal absorption and maintain heart health; the vitamins and cod liver oil are mutually matched to improve the absorption capacity of the senior pet dog. The sodium benzoate is matched with other components in the senile pet nutrition paste dog, has an antiseptic effect, and prolongs the eating time of the senile pet nutrition paste dog.

Preferably, the albumen powder is whey albumen powder.

By adopting the scheme, the amino acid types and the nutrient combinations provided by the whey protein powder are better and easy to absorb, the whey protein powder and the chicken powder are mutually matched to jointly improve the necessary protein of the aged pet, and simultaneously, the whey protein powder is matched with the carbohydrate to reduce the intake of excessive energy, thereby reducing the digestion burden of the aged pet dog.

Preferably, the weight ratio of the isatis root extract to the broccoli extract in the plant extract is 1 (1-1.5).

By adopting the scheme, the plant extract consisting of the formula dosage is preferably selected, and the matching effect between the isatis root extract and the broccoli extract is better, so that the cancer prevention effect and the immunity of the nutritional paste for the aged pets are further improved.

Preferably, the carbohydrate includes at least one of maltose, inulin, and lignin.

By adopting the scheme, the carbohydrate maltose, the inulin and the lignin are added, so that the digestion of intestinal tracts is promoted and the mineral absorption of the senior pet dog is improved while energy is provided for the senior pet dog.

Preferably, the carbohydrate is composed of maltose, inulin and lignin in a weight ratio of 1:2 (1-2).

By adopting the scheme, the lignin, the inulin and the maltose are interwoven together, so that the absorption of the senior pet dog is delayed, and the gastrointestinal peristalsis of the senior pet dog is promoted; inulin and maltose in the carbohydrate provide energy to the senior pet dog while promoting mineral absorption by the pet dog. In addition, the carbohydrate composition of the preferred formula accelerates the passage of the diet through the gastrointestinal tract, increasing digestion and immune competence in senior pet dogs.

Preferably, the antioxidant consists of taurine and flavanols.

By adopting the scheme, through the mutual cooperation between taurine and the polyphenol compound flavanol, free radicals in the body of the aged pet dog are reduced, so that the antioxidant effect is achieved, meanwhile, the taurine and the polyphenol compound flavanol are mutually matched with protein powder, plant extracts and carbohydrates, the gastrointestinal absorption is promoted, the conditions of heart failure and the like of the aged pet dog are reduced, and the immunity and the body resistance of the body are improved.

Preferably, the weight ratio of the taurine to the flavanol is 1 (2-3).

By adopting the scheme, the taurine and the flavanol in the antioxidant are optimized according to the weight ratio, so that the synergistic effect of the taurine and the flavanol is improved, free radicals in the body of the senior pet dog are reduced, the aging is delayed, and the digestion capacity and the immunity of the senior pet dog are improved.

In a second aspect, the application provides a preparation method of a nutritional paste for senior pets, which adopts the following technical scheme:

a preparation method of a nutritional paste for senior pets comprises the following steps:

s1, mixing chicken powder, protein powder, plant extract, cod liver oil, carbohydrate and water to obtain a first mixture;

s2, mixing the first mixture with carbohydrate, controlling the temperature to be 60-70 ℃, and uniformly mixing to obtain a second mixture;

and S3, mixing the second mixture with antioxidant, mineral, sodium benzoate and vitamins, uniformly mixing, and cooling to 25 +/-2 ℃ to obtain the nutritional paste for the aged pets.

By adopting the scheme, the process is simple, and meanwhile, the stable and uniform nutritional paste for the senior pet dogs can be obtained by heating, so that the raw materials in the nutritional paste for the senior pet dogs are better dissolved, and in the step S3, the antioxidant, the mineral substance, the sodium benzoate and the vitamin are added later, so that the effective components in the antioxidant, the mineral substance, the sodium benzoate and the vitamin are not easy to lose effect due to higher temperature; thereby improving the digestion and absorption capacity and the immunity of the aged pet dog.

Preferably, the mixing and stirring speed in the step S2 is controlled to be 100-150 r/min.

By adopting the scheme, the stirring speed is properly controlled, and the components in the nutritional paste for the aged pets, which are caused by the overlarge stirring speed, are reduced while the uniform mixing degree among the raw materials is realized.

In summary, the present application has the following beneficial effects:

1. because this application adopts chicken powder, cod-liver oil, albumen powder and carbohydrate to provide the required nutrient composition of old pet dog, and collocation antioxidant, plant extract, vitamin, mineral substance simultaneously improve old pet dog to the absorption of albumen powder, chicken powder and mineral substance, reduce to add too much to the injury of old pet dog digestion and immunocompetence of syrup. Calcium citrate, magnesium gluconate and ferric amino acid in the minerals are matched with each other to provide trace elements such as calcium, magnesium and ferrum for the elderly pet dogs, improve the strength of bones, regulate the life activities of human bodies and enhance the metabolism of protein in the protein powder; the radix isatidis extract and the broccoli extract in the plant extract are matched with each other, so that the anticancer capability and the immunity of the aged pet dog are improved; in the antioxidant, taurine and polyphenol compounds are mutually cooperated, so that free radicals in the body of the aged pet dog are reduced, and the antioxidant effect is achieved.

2. Whey protein powder which is easy to absorb is preferably adopted in the application, and the amino acid variety and the nutrition combination effect provided by matching with the chicken powder are better; by optimizing the plant extract consisting of the formula dosage, the matching effect between the isatis root extract and the broccoli extract is better, so that the cancer prevention effect and the immunity of the nutritional paste for the aged pets are further improved; maltose, inulin and lignin are selected from carbohydrates and are preferably proportioned, and after being matched with minerals, the absorption of the aged pet dogs on the minerals is improved, and the digestive ability and the immunity are improved; preferably, the flavanols in the polyphenol composition are employed to reduce free radicals in the body of an elderly pet dog, delay aging, and maintain heart health.

3. The preparation method is simple in preparation process, raw materials in the nutritional paste for the aged pets are better dissolved, and the stable and uniform nutritional paste for the aged pets is obtained. And meanwhile, the steps are optimized, heating is carried out, and the stirring speed is controlled, so that the old pet nutrition paste has a good fusion effect.

Detailed Description

The present application is described in further detail below.

Example 1A nutritional paste for senior pets, which contains the following specific components by weight as shown in Table 1, is prepared by the following steps:

s1, mixing chicken powder, whey protein powder, plant extract, cod liver oil, carbohydrate and water in balance to obtain a first mixture;

s2, mixing the first mixture with carbohydrate, controlling the temperature to be 60 ℃ in the mixing process, and uniformly mixing to obtain a second mixture;

and S3, stirring and mixing the second mixture, the antioxidant, the mineral substances, the sodium benzoate and the vitamins at the stirring speed of 100r/min, and cooling to 25 ℃ after uniform mixing to obtain the nutritional paste for the aged pets.

Examples 2 to 3 a nutritional paste for senior pets, which is different from example 1 in the components and weight, the components and weight in example 2 are shown in table 1.

Example 4 a nutritional paste for senior pets, which is different from example 1 in that whey protein is replaced with soy protein.

Examples 5 to 6 a nutritional paste for senior pets, which is different from example 1 in the weight ratio of the isatis root extract to the broccoli extract, and the components and their weights in examples 5 to 6 are shown in table 1.

Examples 7-9 a nutritional paste for senior pet, which is different from example 5 in the components and weight ratio of carbohydrate, the components and weight thereof in examples 7-9 are shown in table 1.

Examples 10 to 11 a nutritious cream for senior pets, which is different from example 7 in the weight ratio of the components of the antioxidant, the components and their weights in examples 10 to 11 are shown in table 1.

TABLE 1 EXAMPLES 1-3, EXAMPLES 5-11 Components and their weights

Example 12A nutritional paste for senior pets, which is different from example 10 in that flavanones are substituted for flavanols.

Example 13A nutritional paste for senior pets, which is different from example 1 in that the stirring speed in step S3 is 150 r/min.

Comparative example 1A nutritional cream is distinguished from example 1 in that the antioxidant, the plant extract, is replaced by an equal amount of water and the carbohydrate is replaced by an equal amount of glucose.

Comparative example 2A nutritional cream is different from example 1 in that the plant extract is replaced with an equal amount of water.

Comparative example 3 a nutritional cream, which is different from example 1 in that an equal amount of water is used instead of the broccoli extract.

Comparative example 4 a nutritional cream was distinguished from example 1 in that an equal amount of water was used instead of the isatis root extract.

Comparative example 5A nutritional cream, which differs from example 1 in that inulin in the carbohydrate is replaced by an equal amount of glucose.

Comparative example 6 a nutritional cream differs from example 1 in that the antioxidant is replaced by an equal amount of water.

Comparative example 7A nutritional cream, composition and preparation method were as follows:

comprises 7.5kg of pork, 1.5kg of pork essence, 3.5kg of maltodextrin, 0.45kg of sodium benzoate, 0.04kg of beta-carotene, 5.5kg of lard, 9kg of sorbitol, 45kg of fructose-glucose syrup, 0.15kg of L-ascorbic acid, 0.04kg of vitamin D2, 0.05kg of vitamin D3, 0.06kg of vitamin B1, 0.05kg of vitamin E, 0.045 parts of vitamin B6, 0.09kg of nicotinic acid, 0.04kg of riboflavin, 0.045kg of calcium pantothenate, 0.004kg of vitamin A, 0.25kg of zinc chloride, 0.25kg of potassium iodide, 0.25kg of ferrous sulfate and 0.045kg of sodium chloride.

The preparation method comprises 1, heating and melting lard to liquid state, adding sorbitol and vitamin A until completely dissolving to obtain solution A;

2. heating and melting the fructose-glucose syrup to be liquid, and respectively adding pork, pork essence, maltodextrin, sodium benzoate, beta-carotene, L-ascorbic acid, vitamin D2, vitamin D3, vitamin B1, vitamin E, vitamin B6, nicotinic acid, riboflavin, calcium pantothenate, zinc chloride, potassium iodide, ferrous sulfate and sodium chloride to obtain solution B;

3. mixing the solution A and the solution B obtained in the two steps, stirring the mixture uniformly, and cooling the mixture to room temperature;

4. and (6) encapsulating and packaging.

Experiment of

Experiment I, the nutritional paste for the senior pet is applied to the digestive system experiment of the senior pet dog

Experimental samples examples 1-13, comparative examples 1-7 and blank (no feeding of senior pet nutrition cream).

The experimental subject is to select 21 labrador dogs with 10-11 years old and no significant difference (P >0.05, the P value is the probability of the appearance of the observation result or the extreme result of the sample obtained when the original hypothesis is true) and the weight of 30kg, and to perform the experiment after 7d of pre-test period to ensure that the differences of the feed intake, the biochemical index and the health condition of the 21 labrador dogs are no significant (P >0.05, the P value is the probability of the appearance of the observation result or the extreme result of the sample obtained when the original hypothesis is true). Of these, 20 labrador retrievers were fed to experimental groups 1 to 13 and comparative groups 1 to 7 of examples 1 to 13 and comparative examples 1 to 7, respectively, and the remaining 1 labrador retrievers were blank groups.

The experimental method comprises the following steps:

the experimental group and the comparative group are characterized in that the experimental group 1-13 and the comparative group 1-7 are respectively put into dog houses (the temperature is 25 ℃ and the relative humidity is 40%) with the same size and the same structure, and the dog houses are respectively fed once at 8 am and 4 pm every day, 200g of dog food (the brand is Mafudi and the taste is American chicken formula double-ingredient food), 1L of drinking water amount and 10g of the experimental group and the comparative group are respectively corresponding to the experimental group 1-13 and the comparative group 1-7 of the labrador dog, and all the experimental group and the comparative group eat the food and drink the water completely; the daily period of activity was 30 min. And (5) disinfecting the dog house according to the conventional epidemic prevention regulation, wherein the experimental period is 30 days.

A blank group is put into a dog house with the same size and structure as the experimental group, and the dog house feeds the dog food at 8 am and 4 pm once a day, wherein the feeding amount of the dog food is 200g, the drinking amount is 1L, and the blank group completely eats the food and completely drinks the water; the daily period of activity was 30 min. And (5) disinfecting the dog house according to the conventional epidemic prevention regulation, wherein the experimental period is 30 days.

The detection method comprises collecting feces of experiment groups 1-13, comparison groups 1-7 and blank group one day before experiment (D0) and 30 days before experiment (D30), and observing shape, hardness, color and amount of feces.

Evaluation criteria fecal scoring criteria for experimental groups 1-13, comparative groups 1-7, and the blank group are shown in Table 2.

TABLE 2 fecal scoring criteria for experimental groups 1-13, comparative groups 1-7, and blank groups

Score of	Scoring criteria
		1	The feces are wet, not shaped, yellow, sticky, less in quantity and contain a small amount of undigested food
2	The feces have wet, formed, yellow and sticky shape, less dosage and contain a small amount of undigested food
		3	Feces wet, formed, yellow, sticky, normal in volume, containing a small amount of undigested foodArticle (A)
4	Molded, yellow brown, soft, non-sticky, normal-volume, and free of undigested food
		5	Black, low hardness, no stickiness, normal weight, and no undigested food
6	Yellow brown, small, hard, non-sticky, normal in volume, and free of undigested food
		7	Black, strip-shaped, small hardness, non-sticky, normal amount, no undigested food
8	Brown, strip, moderate hardness, non-sticky, normal amount, and no undigested food
		9	Black, cylindrical, moderate in hardness, non-sticky, normal in volume, and free of undigested food

Results of the experiment the results of the stool scores of the experimental groups 1 to 13, the comparative groups 1 to 7 and the blank group are shown in table 3.

TABLE 3 fecal scoring results for experimental groups 1-13, comparative groups 1-7, and blank groups

As can be seen from tables 2 and 3, D0 before the start of the experiment, the feces were less frequent in the experimental groups 1 to 13, the comparative groups 1 to 6, and the blank group, and the feces score was 1 to 2. D30, the feces of experimental groups 1-13 were improved better, with a feces score of 4-9 and an increase of 3-7; the feces hardness of the control group and the blank group is smaller, the color is lighter, the improvement condition is poorer, the feces score of D30 is 2-4, and the increase value is 0-2.

As can be seen from the comparative experimental groups 1-6, comparative groups 1-4 and blank group, generally, the healthy pet feces were moderately soft and hard, black or tan in color, and non-sticky. The whey protein powder is beneficial to improving the digestive system of the senior pet dog and improving the digestive condition of the senior pet dog. The whey protein is a protein extracted from milk, is easier to digest and absorb, has high protein efficacy ratio and high utilization rate, can provide more kinds of amino acid, and is more suitable for senior pet dogs; and soybean protein needs to be synthesized again after being ingested, so that the gastrointestinal absorption burden of the aged pet dog is increased. Compared with the experimental group 1, the experimental groups 5-6 and the comparative groups 1-4, the radix isatidis extract and the broccoli extract are matched with each other, so that the antibacterial and antiviral effects are achieved, and the digestion condition of the pet dogs for the old is improved to a certain extent. In addition, the radix Isatidis extract contains multiple antiviral substances, and can be used together with inulin in carbohydrate for reducing diseases of senior pet dog. The digestion condition and health condition of the aged pet dog are improved by preferably proportioning the isatis root extract and the broccoli extract by weight.

As shown in the comparative experiment group 5, the experiment groups 7-9, the comparative experiment group 5 and the blank group, the carbohydrate maltose, the inulin and the lignin have the combined action, so that the energy required by the senior pet dog is provided, meanwhile, the gastrointestinal peristalsis and the gastrointestinal absorption of the senior pet dog are promoted, the retention time of food in the gastrointestinal of the senior pet dog is reduced, the excrement amount is increased, and the constipation is effectively treated. Simultaneously, the three carbohydrates are mutually matched and act with minerals to promote the mineral absorption of the old pet dog, short-chain fat generated by fermentation in the colon of the old pet dog increases crypt cells on the mucosa and increases the absorption area; the acid produced by fermentation lowers the pH of the colon, improves the solubility of minerals, and the short-chain fat stimulates the absorption capacity of the colonic mucosa and improves the digestion status of senior pet dogs.

As can be seen from the comparison of experimental group 7, experimental groups 10-11 and comparison group 6, taurine in the antioxidant is matched with the flavanol compound to reduce free radicals in the body of the senior pet dog, so that the antioxidant effect is improved, and the aging of the digestive system of the senior pet dog is delayed; meanwhile, the antioxidant is matched with the plant extract and the mineral substances to promote the absorption of the mineral substances by the intestinal tract, is used as a growth promoting factor of bifidobacterium in the intestinal tract, optimizes the bacterial absorption group structure in the intestinal tract and improves the digestion and absorption capacity of the aged pet dogs.

Experiment two:

experimental samples of the immunity effect of the nutrition paste for senior pet on senior pet dogs include examples 1-13, comparative examples 1-7 and blank group (not feeding the nutrition paste for senior pet).

Experimental apparatus Elisa kit.

The experimental subjects selected 21 labrador retrievers with 10-11 years old and no significant differences in body types (P >0.05, the P value is the probability of appearance of observation results or more extreme results of samples obtained when the original hypothesis is true) and body weights of 30kg, and after a 7d pre-trial period, the food consumption, biochemical indicators and health condition of the 21 labrador retrievers were made no significant differences (P >0.05, the P value is the probability of appearance of observation results or more extreme results of samples obtained when the original hypothesis is true), and the experiments were performed, wherein 20 labrador retrievers were fed to the experimental groups 1-13 and the comparative groups 1-7 of examples 1-13 and comparative examples 1-7, respectively, and the remaining 1 labrador retrievers were blank groups.

The experimental method comprises the following steps:

experimental groups 1-13 and comparative groups 1-7 were placed in identical size and structure kennels (temperature 25 ℃, relative humidity 40%) and fed once each day at 8 am and 4 pm, 200g of dog food (brand meffodi, taste of american chicken formula double-piece food), 1L of water intake, and 10g of experimental group labrador dog corresponding to examples 1-13 and comparative examples 1-7, respectively, all of which consumed all of the food and water; the daily period of activity was 30 min. And (5) disinfecting the dog house according to the conventional epidemic prevention regulation, wherein the experimental period is 30 days.

A blank group is put into a dog house with the same size and structure as the experimental group, the dog house feeds the dog food for 200g and the water for 1L respectively at 8 am and 4 pm every day, and the blank group completely feeds the dog food and completely drinks the dog food; the daily period of activity was 30 min. And (5) disinfecting the dog house according to the conventional epidemic prevention regulation, wherein the experimental period is 30 days.

The test method comprises stopping feeding for 12h on the 0 th day (D0), and collecting 10ml blood from forelimb vein of experimental group 1-13, comparative group 1-6 and blank group at 8 points in the next morning; 30 days after the experiment (D30), stopping eating for 12h, and collecting 10ml of blood from forelimb veins of experiment groups 1-13, comparison groups 1-7 and blank groups at 8 points in the next morning; the blood collected from the experimental groups 1-13, the comparative groups 1-7 and the blank groups were subjected to IgG and IgM assays (IgG is serum immunoglobulin and IgM is immunoglobulin) by ELISA assays, respectively.

The results of the tests are shown in tables 4 and 5, and the results of the tests for IgG and IgM for the test groups 1 to 13, the comparative groups 1 to 7 and the blank group are shown in tables 5.

TABLE 4 IgG assay results for experimental groups 1-13, comparative groups 1-7, and blank groups

TABLE 5 IgM test results of Experimental groups 1-13, comparative groups 1-7 and blank group

In tables 4 and 5, the experimental groups 1 to 13 have relatively large increases in IgG and IgM, the increase in IgG is 11.55% to 17.45%, and the increase in IgM is 9.33% to 13.42%; the IgG and IgM increase rates of the comparison groups 1-6 and the blank group are smaller, the IgG increase rate is 1.58-8.09%, and the IgM increase rate is 0.79-6.95%; generally, IgG and IgM have the effect of improving the immunocompetence of senior pet dogs, and as can be seen from tables 4 and 5, the senior pet nutritional paste has the effect of improving the immunocompetence of senior pet dogs.

As shown in the comparative experiment groups 1-6, the comparative experiment groups 1-4 and the blank group, the whey protein powder is beneficial to improving the immunity of the aged pet dogs. The whey protein is a protein extracted from milk, is easier to digest and absorb, has high protein efficacy and high utilization rate, can provide multiple amino acid types, is sufficient in protein supplement, and can improve the immunity of the aged pet dogs. Compared with the experimental group 1, the experimental groups 5-6 and the comparative groups 1-4, the radix isatidis extract and the broccoli extract are matched with each other, so that the composition has the effects of resisting bacteria, viruses and leptospira, and the immunity of the aged pet dogs is improved; meanwhile, carotene and carotene contained in the broccoli extract improve the activity of detoxification enzyme of carcinogen, can kill bacteria influencing gastrointestinal digestion, and meanwhile, the broccoli extract and an antioxidant are mutually cooperated to jointly remove free radicals in the body of the old pet dog, slow down aging and improve the immunity. The immune capacity of the aged pet dog is improved by preferably selecting the weight ratio of the isatis root extract to the broccoli extract.

The comparison experiment group 5, the experiment groups 7-9, the comparison experiment group 5 and the blank group show that the carbohydrate maltose, the inulin and the lignin act together to provide the energy needed by the senior pet dog and simultaneously promote the gastrointestinal peristalsis and the gastrointestinal absorption of the senior pet dog. Meanwhile, the three carbohydrates are mutually matched and act with the mineral substances to promote the mineral substances to be absorbed by the senior pet dog. Inulin and lignin form fiber complex to be discharged with feces by absorbing intestinal fat, so as to reduce blood lipid level and reduce absorption of cholesterol; fructo-oligosaccharide in inulin can increase the expression of brain nerve cell trophic factor, and protect corticosterone induced neuron damage, thereby improving immunity of senior pet dog.

The comparison of experiment group 7, experiment groups 10-11 and comparison group 6 shows that the taurine in the antioxidant is matched with the flavanol compound of the polyphenol compound to reduce the free radicals in the body of the old pet dog, so that the antioxidant effect is improved; taurine and flavanol can inhibit platelet aggregation, reduce blood lipid, prevent arteriosclerosis, and protect heart in circulation system of senior pet dog; meanwhile, the antioxidant is matched with the plant extract and the mineral substances to promote the absorption of the mineral substances by the intestinal tract, is used as a growth promoting factor of bifidobacterium in the intestinal tract, optimizes the bacterial absorption group structure in the intestinal tract, improves the health condition of the senior pet dog by improving the digestive capacity of the senior pet dog, and further improves the immunity of the senior pet dog.

The embodiments of the present invention are not intended to limit the scope of the present invention, and therefore, all equivalent changes in structure, shape and principle of the present invention should be covered by the present invention.

Claims (9)

1. The nutritional paste for the aged pets is characterized by comprising the following components in percentage by weight:

30-40% of chicken powder;

7-10% of cod liver oil;

20-30% of carbohydrate;

3-6% of protein powder;

0.5-1% of antioxidant;

0.5-1% of plant extract;

mineral 0.8-1.5%

0.2 to 0.3 percent of vitamin;

0.15 to 0.25 percent of sodium benzoate;

the balance of water;

the plant extract consists of an isatis root extract and a broccoli extract;

the mineral comprises at least one of calcium citrate, magnesium gluconate and ferric amino acid;

the vitamins include one or more of vitamin A, vitamin D, vitamin E, vitamin K, and vitamin B5;

the antioxidant comprises at least one of taurine and polyphenol compounds.

2. The nutritious cream for the senior pet of claim 1, wherein the protein powder is whey protein powder.

3. The pet nutrition paste for the elderly as claimed in claim 1, wherein the weight ratio of the isatis root extract to the broccoli extract in the plant extract is 1 (1-1.5).

4. The pet nutritional paste of claim 1, wherein the carbohydrate comprises at least one of maltose, inulin and lignin.

5. The nutritional paste for senior pets according to claim 4, wherein the carbohydrate is composed of maltose, inulin and lignin at a weight ratio of 1:2 (1-2).

6. The pet nutritional paste of claim 1, wherein the antioxidant comprises taurine and flavanol.

7. The nutritional paste for the aged pet according to claim 6, wherein the weight ratio of the taurine to the flavanol is 1 (2-3).

8. The method for preparing a nutritious paste for senior pets of any one of claims 1 to 7, which is characterized by comprising the following steps:

s1, mixing chicken powder, protein powder, plant extract, cod liver oil, carbohydrate and water to obtain a first mixture;

s2, mixing the first mixture with carbohydrate, controlling the temperature to be 60-70 ℃, and uniformly mixing to obtain a second mixture;

and S3, mixing the second mixture with antioxidant, mineral, sodium benzoate and vitamins, uniformly mixing, and cooling to 25 +/-2 ℃ to obtain the nutritional paste for the aged pets.

9. The method as claimed in claim 8, wherein the mixing and stirring speed in step S3 is controlled to be 100-150 r/min.