Crispy pet food and preparation process thereof

Abstract

The invention discloses a crispy pet food and a preparation process thereof, and relates to the technical field of pet feeds, the crispy pet food comprises the following raw materials: fresh chicken, sweet potato granules, cassava starch, fish oil, yolk powder, goat milk powder, yeast hydrolysate, carrot powder, tomato powder, cranberry powder, semen plantaginis and an additive; the crisp food has the beneficial effects that the crisp food adopts a more advanced processing technology, so that the actual addition amount of fresh meat is higher, and animal protein with higher quality and rich nutritional ingredients are provided; the crispy food is pre-added in the whole course by utilizing fat in the raw materials, so that the later grease spraying is avoided, the freshness of the product in the transportation and storage process is ensured, and meanwhile, the occurrence of black chin of pets is reduced; an optimized puffing process is adopted for the crispy food, product particles are crisper and better in palatability, and abrasion of teeth of pets is reduced; the crispy grain particles have a very obvious softening effect within 10 minutes after entering the intestinal tract, and are more beneficial for pets to effectively absorb nutritional ingredients.

Description

Technical Field

[0001] The invention relates to the technical field of pet feed, in particular to crisp pet food and a preparation process thereof. Background Art

[0002] With the continuous development of the pet economy, the pet food market is becoming increasingly prosperous. Although traditional pet food, such as puffed food, meets the basic nutritional needs of pets to a certain extent, it still needs to be improved in terms of taste, nutritional value and digestion and absorption. For example, the amount of fresh meat added to traditional puffed food is limited, and the fat processing method may cause the freshness of pet food to decrease during transportation and storage. In addition, the hardness of the particles is relatively large, and long-term consumption may cause wear on pets' teeth. Summary of the invention

[0003] The purpose of the present invention is to provide a crispy pet food and a preparation process thereof in order to solve the above problems, so as to improve the taste, nutritional value and digestion and absorption efficiency of the pet food.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions: A crispy pet food, the raw materials of which include fresh chicken, sweet potato granules, cassava starch, fish oil, egg yolk powder, goat milk powder, yeast hydrolyzate, carrot powder, tomato powder, cranberry powder, psyllium, and additives; The raw material composition by weight is: fresh chicken 80%-90%, sweet potato cubes 1%-10%, cassava starch 0-10%, fish oil 0-3%, egg yolk powder 0-5%, goat milk powder 0-5%, yeast hydrolyzate 0-3%, carrot powder 0-3%, tomato powder 0-3%, cranberry powder 0-3%, psyllium seeds 0-3%, and additives 0-1.5%.

[0005] Preferably: the additive composition includes alginate oligosaccharides, manno-oligosaccharides and fructo-oligosaccharides; and the proportions thereof in the raw material composition are: alginate oligosaccharides 0-0.5%, manno-oligosaccharides 0-0.5%, fructo-oligosaccharides 0-0.5%.

[0006] Preferably: the additive composition also includes taurine, choline chloride, natural steroid saponin, lactoferrin, potassium chloride, amino acid zinc complex, glycine copper chelate, glycine iron chelate, amino acid manganese complex, calcium iodate, vitamin A acetate, vitamin D3, thiamine nitrate, dl-α-tocopherol acetate, riboflavin, niacin, folic acid, D-calcium pantothenate, D-biotin, natural vitamin E, and rosemary extract.

[0007] A process for preparing crispy pet food, using the above raw material composition and proportion, comprises the following steps: Step S1: dehydrating fresh meat accounting for 40%-60% of the weight of the raw material into meat powder with a water content of 10%-35%; performing enzymatic hydrolysis on fresh meat accounting for 10%-20% of the weight of the raw material; Step S2: cooking the remaining fresh meat at 95° C. for 50 minutes, retaining a portion of the fat; Step S3: premixing the powder in the raw material, and then mixing and grinding it with the dehydrated meat powder; Step S4: mixing the mixed material with cooked meat; Step S5: the mixture is pumped into the puffing machine, and at the same time, the enzymatically hydrolyzed fresh meat slurry is injected into the modulator, the material temperature of the modulator is adjusted to above 90° C., and the moisture content is controlled to be above 25%; Step S6: The mixture enters the puffing chamber, and the temperature of the first section is controlled at 80-85°C, the temperature of the second section is controlled at 85-90°C, the temperature of the third section is controlled at 90-100°C, the fourth section is controlled at 100-110°C, and the fifth section is controlled at 100-110°C to ensure that the starch in the material is gelatinized as much as possible.

[0008] Preferably: the step S1 adopts wet chicken meal manufacturing equipment, and nitrogen is used for cooling and preventing oxidation during the production process.

[0009] Preferably, in step S3, mixing and crushing equipment is used in combination, and a 1 mm screen is used to ensure the fineness of the powder after mixing.

[0010] Preferably: in step S5, the fresh meat is added in a multi-point distributed manner to ensure that the proportion of fresh meat in the product occupies a larger proportion, thereby improving the nutritional value of the product; the fresh meat concentrated slurry injection technology is adopted to ensure that the nutrients of the fresh meat can be evenly distributed in each particle during the processing, further improving the fresh meat content of the product.

[0011] Compared with the prior art, the beneficial effects of the present invention are: by introducing the processing technology of multi-point addition of fresh meat and concentrated injection of fresh meat, high crispness and higher nutritional value of particles are achieved; specifically, compared with ordinary puffed grains, the crisped grains have the following advantages: 1. Increased amount of fresh meat added: Crisp grains use more advanced processing technology, which increases the actual amount of fresh meat added, providing higher quality animal protein and rich nutrients; 2. Fat processing: The crispy food uses the fat in the raw materials to pre-add the whole process, avoiding the need for spraying oil in the later stage. This ensures that the product remains fresh during transportation and storage, while reducing the occurrence of black chin in pets; 3. Puffing effect: The crispy grain adopts the optimized puffing process, the product particles are crisper, more palatable, and reduce the wear of pet teeth; 4. Digestion and absorption: Crispy grain particles can have a very obvious softening effect within 10 minutes after entering the intestine, which is more conducive to the effective absorption of nutrients by pets. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 It is a comparison chart of the results of ordinary puffed grain and the crisped grain of the present invention after being soaked in water for 10 minutes; wherein, the left one is ordinary puffed grain and the right one is the crisped grain of the present invention.

[0014] Figure 2 This is a test curve of hardness of ordinary puffed grains.

[0015] Figure 3 It is a test curve of the hardness of the crisped grain of the present invention. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings: Example 1

[0017] A crispy pet food, the raw material composition and weight proportion of which are as follows: Fresh chicken 80%, sweet potato cubes 10%, egg yolk powder 5%, goat milk powder 5%.

[0018] By using the above raw material composition and proportion, the crispy pet food can be prepared according to the following process steps, and the preparation specifically includes the following steps: Step S1: using wet chicken powder manufacturing equipment, fresh meat accounting for 40%-60% of the weight of the raw materials is dehydrated into meat powder with a moisture content of 10%-35%, and nitrogen is used to cool the temperature and prevent oxidation during the production process; in addition, fresh meat accounting for 10%-20% of the weight of the raw materials is enzymatically hydrolyzed; Step S2: Cook the remaining fresh meat at 95°C for 50 minutes, retain a portion of the fat, and use the fat in the raw material for pre-addition throughout the process, avoiding the need for spraying grease later. This ensures that the product remains fresh during transportation and storage, while reducing the occurrence of black chin in pets; Step S3: using a mixing and pulverizing device, pre-mixing the powder in the raw material, and then mixing and pulverizing it with the dehydrated meat powder; using a 1mm screen in the process to ensure the fineness of the powder after mixing; Step S4: mixing the mixed material with cooked meat; Step S5: the mixture is pumped into an extruder, and at the same time, the enzymatically hydrolyzed fresh meat slurry is injected into the modulator through multi-point distributed distribution to ensure that the proportion of fresh meat in the product occupies a larger proportion, thereby improving the nutritional value of the product; the material temperature of the modulator is adjusted to above 90° C., the moisture is controlled to above 25%, and the fresh meat concentrated slurry injection technology is used to make the fresh meat nutrients evenly distributed in each particle during the processing process, thereby further improving the fresh meat content of the product; Step S6: The mixture enters the puffing chamber, and the temperature of the first section is controlled at 80-85°C, the temperature of the second section is controlled at 85-90°C, the temperature of the third section is controlled at 90-100°C, the fourth section is controlled at 100-110°C, and the fifth section is controlled at 100-110°C to ensure that the starch in the material is gelatinized as much as possible.

[0019] Experimental data: In order to verify the effect of the present invention, we conducted a number of test experiments, and the following are some of the test data: Crude protein: According to the GB / T 6432-2018 method, the crude protein content in crispy pet food is as high as 41.48%, indicating that the product provides rich animal protein.

[0020] Amino Acids: According to the GB / T 18246-2019 method, the contents of arginine, histidine, isoleucine, leucine and other amino acids in the product meet the nutritional needs of pets.

[0021] Minerals and vitamins: The product is rich in minerals such as iron, copper, manganese, zinc, iodine, selenium, and vitamins such as vitamin A and folic acid, which meet the needs of healthy growth of pets. The specific data are as follows: Iron (Fe) 413 mg / kg, copper (Cu) 24.2mg / kg, manganese (Mn) 37.3 mg / kg, zinc (Zn) 213 mg / kg, iodine (I) 2.52 mg / kg, selenium (Se) 0.932 mg / kg, vitamin A 88.9 IU / kg.

[0022] Crispness comparison: the results are as follows Figure 2-Figure 3 As shown, the hardness of ordinary puffed grains is about four times that of the crisp grains of the present invention; the present invention adopts an optimized puffing process, the product particles are crisper, more palatable, and reduce the wear on pets' teeth.

[0023] Digestion and absorption test: Figure 1 As shown in the figure, the results of soaking ordinary puffed grain and the crisped grain of the present invention in water for 10 minutes are compared. It can be seen that the crisped grain particles can have a very obvious softening effect within 10 minutes after entering the intestine, which is more conducive to the effective absorption of nutrients by pets, while the ordinary puffed grain particles soften slowly in the intestine, which may affect the full absorption of nutrients by pets. Example 2

[0024] The difference between this embodiment and embodiment 1 is that: A crispy pet food, the raw material composition and weight proportion of which are as follows: Fresh chicken 90%, sweet potato cubes 1%, fish oil 3%, yeast hydrolyzate 3%, carrot powder 3%.

[0025] According to the preparation process of Example 1, another crispy pet food was obtained. Example 3

[0026] The difference between this embodiment and embodiment 1 is that: A crispy pet food, the raw material composition and weight proportion of which are as follows: Fresh chicken 80%, tapioca starch 10%, tomato powder 3%, cranberry powder 3%, psyllium 3%, additive 1%.

[0027] The additive composition includes alginate oligosaccharides, manno oligosaccharides, fructo-oligosaccharides and other additives; their weight proportions in the raw material composition are: alginate oligosaccharides 0.3%, manno oligosaccharides 0.3%, fructo-oligosaccharides 0.3% and other additives 0.1%.

[0028] Other additives include taurine, choline chloride, natural steroid saponin, lactoferrin, potassium chloride, amino acid zinc complex, copper glycinate chelate, iron glycinate chelate, amino acid manganese complex, calcium iodate, vitamin A acetate, vitamin D3, thiamine nitrate, dl-α-tocopheryl acetate, riboflavin, niacin, folic acid, D-calcium pantothenate, D-biotin, natural vitamin E, and rosemary extract.

[0029] According to the preparation process of Example 1, another crispy pet food was obtained. Example 4

[0030] The difference between this embodiment and embodiment 1 is that: A crispy pet food, the raw material composition and weight proportion of which are as follows: Fresh chicken 85%, sweet potato cubes 5%, fish oil 2%, egg yolk powder 3%, carrot powder 1%, cranberry powder 1%, psyllium seeds 1.5%, additives 1.5%.

[0031] The additive composition includes alginate oligosaccharides, manno-oligosaccharides and fructo-oligosaccharides; the weight proportions of the additives in the raw material composition are: 0.5% alginate oligosaccharides, 0.5% manno-oligosaccharides and 0.5% fructo-oligosaccharides.

[0032] According to the preparation process of Example 1, another crispy pet food was obtained. Example 5

[0033] The difference between this embodiment and embodiment 1 is that: A crispy pet food, the raw material composition and weight proportion of which are as follows: Fresh chicken 83%, sweet potato cubes 3%, tapioca starch 5%, goat milk powder 3%, yeast hydrolyzate 2%, tomato powder 2%, cranberry powder 0.5%, psyllium seeds 0.9%, additives 0.6%.

[0034] The additive composition includes alginate oligosaccharides and fructooligosaccharides; the weight proportions of the additives in the raw material composition are: alginate oligosaccharides 0.1% and fructooligosaccharides 0.5%.

[0035] According to the preparation process of Example 1, another crispy pet food was obtained.

[0036] In the present invention, the role and effect of each raw material in the formula are as follows: Fresh chicken: provides high-quality protein and healthy fats, which helps your pet’s muscle development, skin and coat health; Sweet potato cubes: rich in fiber, promotes digestive health; Cassava starch: provides carbohydrates and increases energy; Fish oil: Rich in Omega-3 fatty acids, supports healthy skin and hair; Egg Yolk Powder: Provides additional protein and vitamins to support overall health; Goat milk powder: rich in calcium, which helps bone development; Yeast hydrolyzate: rich in B vitamins, promoting metabolic function; Carrot powder: provides vitamin A, which helps vision and the immune system; Tomato powder: Rich in antioxidants, promotes overall health; Cranberry powder: helps with urinary system health; Psyllium: high in fiber, helps digestion; Alginate oligosaccharides, mannooligosaccharides, fructooligosaccharides: as prebiotics, promote intestinal health; Taurine: Maintains heart and eye health; Choline chloride: supports fat metabolism and protects the liver; Natural steroid saponin (derived from yucca): reduces stool odor; Lactoferrin: strengthens the immune system; Potassium chloride: maintains electrolyte balance; Amino acid zinc complex, glycine copper chelate, glycine iron chelate, amino acid manganese complex: promote bone and muscle health; Calcium iodate: supports thyroid function; Vitamin A acetate, vitamin D3, thiamine nitrate (vitamin B1), dl-alpha-tocopheryl acetate (vitamin E), riboflavin (vitamin B2), niacin, folic acid, D-calcium pantothenate, D-biotin, natural vitamin E: multivitamins to support overall health; Rosemary Extract: Natural preservative, extends shelf life.

[0037] The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A crispy pet food, characterized in that: Its raw materials include fresh chicken, sweet potato granules, cassava starch, fish oil, egg yolk powder, goat milk powder, yeast hydrolyzate, carrot powder, tomato powder, cranberry powder, psyllium, and additives; The raw material composition by weight is: fresh chicken 80%-90%, sweet potato cubes 1%-10%, cassava starch 0-10%, fish oil 0-3%, egg yolk powder 0-5%, goat milk powder 0-5%, yeast hydrolyzate 0-3%, carrot powder 0-3%, tomato powder 0-3%, cranberry powder 0-3%, psyllium seeds 0-3%, and additives 0-1.5%.

2. The crispy pet food according to claim 1, characterized in that: The additive composition includes alginate oligosaccharides, manno-oligosaccharides and fructo-oligosaccharides; Its proportion in the raw material composition is: alginate oligosaccharides 0-0.5%, manno oligosaccharides 0-0.5%, and fructooligosaccharides 0-0.5%.

3. The crispy pet food according to claim 2, characterized in that: The additive composition also includes taurine, choline chloride, natural steroid saponin, lactoferrin, potassium chloride, amino acid zinc complex, glycine copper chelate, glycine iron chelate, amino acid manganese complex, calcium iodate, vitamin A acetate, vitamin D3, thiamine nitrate, dl-α-tocopherol acetate, riboflavin, niacin, folic acid, D-calcium pantothenate, D-biotin, natural vitamin E, and rosemary extract.

4. A process for preparing crisp pet food, characterized in that: Using the raw material composition and proportion as described in claims 1-3, the following steps are included: Step S1: dehydrating fresh meat accounting for 40%-60% of the weight of the raw material into meat powder with a water content of 10%-35%; performing enzymatic hydrolysis on fresh meat accounting for 10%-20% of the weight of the raw material; Step S2: cooking the remaining fresh meat at 95° C. for 50 minutes, retaining a portion of the fat; Step S3: premixing the powder in the raw material, and then mixing and grinding it with the dehydrated meat powder; Step S4: mixing the mixed material with cooked meat; Step S5: the mixture is pumped into the puffing machine, and at the same time, the enzymatically hydrolyzed fresh meat slurry is injected into the modulator, the material temperature of the modulator is adjusted to above 90° C., and the moisture content is controlled to be above 25%; Step S6: The mixture enters the puffing chamber, and the temperature of the first section is controlled at 80-85°C, the temperature of the second section is controlled at 85-90°C, the temperature of the third section is controlled at 90-100°C, the fourth section is controlled at 100-110°C, and the fifth section is controlled at 100-110°C to ensure that the starch in the material is gelatinized as much as possible.

5. The process for preparing crispy pet food according to claim 4, characterized in that: The step S1 uses wet chicken meal manufacturing equipment, and nitrogen is used for cooling and preventing oxidation during the production process.

6. The process for preparing crispy pet food according to claim 4, characterized in that: The step S3 uses a mixing and pulverizing device in combination, and uses a 1 mm screen to ensure the fineness of the powder after mixing.

7. The crispy pet food and its preparation process according to claim 4, characterized in that: In step S5, fresh meat is added in a multi-point distributed manner to ensure that the proportion of fresh meat in the product occupies a larger proportion, thereby improving the nutritional value of the product; fresh meat concentrated slurry injection technology is adopted to ensure that the nutrients of fresh meat can be evenly distributed in each particle during the processing process, further improving the fresh meat content of the product.

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