Formula and preparation method of goat milk powder for assisting in reducing blood pressure and blood fat

Abstract

The invention relates to the technical field of goat milk powder, in particular to a goat milk powder formula for assisting in reducing blood pressure and blood fat and a preparation method thereof. The goat milk powder formula comprises the following raw materials: 725 kg of whole goat milk powder or 6304 kg of raw goat milk, 125 kg of desalted whey powder, 125 kg of isomaltooligosacharide, 5 kg of inulin, 0.5 kg of oat beta-glucan, 0.2 kg of dihydroquercetin, 0.5 kg of chicken concentrated powder, 5 kg of collagen peptide, 10 kg of calcium carbonate, 0.5 kg of lactobacillus plantarum and 3.85 kg of a compound nutrition enhancer. By matching various functional components, the synergistic effect of assisting in reducing blood pressure and blood fat is achieved, and natural active substances in the formula are matched with nutritional ingredients of the goat milk, so that lipid metabolism in the body can be regulated, and the intestinal environment can also be improved.

Description

Technical Field

[0001] The invention relates to the technical field of goat milk powder, and in particular to a goat milk powder formula for assisting in lowering blood pressure and blood lipids and a preparation method thereof. Background Art

[0002] With changes in lifestyle, the incidence of metabolic diseases such as hypertension and hyperlipidemia has increased year by year, becoming a major issue affecting public health. As an important part of the daily diet, the functional improvement of dairy products has become a research hotspot.

[0003] Although traditional goat milk powder is rich in nutrients such as protein and minerals, it lacks targeted physiologically active substances and is difficult to meet the functional requirements of "assisting in regulating blood pressure and blood lipids."

[0004] Among the existing functional goat milk powder products, some add a single active ingredient with limited effect, while some use high-temperature processing technology, which leads to the inactivation of the active ingredients. Some also have problems such as poor taste and nutritional imbalance due to unreasonable raw material ratios.

[0005] Therefore, it is of great significance to have a goat milk powder that can synergistically exert the effect of lowering blood pressure and blood lipids. Summary of the Invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a goat milk powder formula for assisting in lowering blood pressure and blood lipids and a preparation method thereof, aiming to solve the deficiencies in the prior art.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a goat milk powder formula for assisting in lowering blood pressure and blood lipids, the goat milk powder formula comprising the following raw materials: 725 kg of whole goat milk powder or 6304 kg of raw goat milk, 125 kg of desalted whey powder, 125 kg of oligomaltodextrose, 5 kg of inulin, 0.5 kg of oat beta-glucan, 0.2 kg of dihydroquercetin, 0.5 kg of chicken concentrate powder, 5 kg of collagen peptide, 10 kg of calcium carbonate, 0.5 kg of plant lactobacillus, and 3.85 kg of a compound nutritional enhancer.

[0008] Preferably, the whole goat milk powder is made from raw goat milk through pasteurization and low-temperature spray drying, and the whole goat milk powder has a fat content of 26-30%, a protein content of 24-28%, and non-fat milk solids ≥70%;

[0009] The raw goat milk has a fat content of ≥3.1%, a protein content of ≥2.8%, a dry matter content of ≥11.2%, an impurity content of ≤4.0 mg / kg, a temperature of 0-4°C, and an acidity of 6-13°T;

[0010] The transportation temperature of the raw goat milk is 0-6°C. After acceptance, the raw goat milk is degassed in a degassing tank, filtered by a double filter, measured by a mass flow meter, and processed by a milk purifier, and the impurities are ≤4mg / kg.

[0011] Preferably, the raw goat milk is sterilized by a plate-type sterilizer at a temperature of 90±2°C for 30 seconds, with a flow rate of 25-30T / h during sterilization. After sterilization, the raw goat milk is cooled to 0-6°C with ice water at 0-4°C and stored.

[0012] The stirring speed of the raw goat milk during storage is 10-15 r / min, and the storage time is less than 12 hours.

[0013] Preferably, the desalination rate of the desalted whey powder is ≥90%, 12-15%, and the lactose content is ≥70%. The desalted whey powder is de-outsourced and dusted by cargo leaching, and the wind speed of the cargo leaching dust removal is 18-22m / s and the time is 30-60s.

[0014] Preferably, the purity of the isomaltooligosaccharide is ≥90%, the total content of isomaltose and panose in the isomaltooligosaccharide is ≥50%, and the moisture content is ≤3%; the isomaltooligosaccharide is dusted by a negative pressure dust removal device, and the negative pressure is -0.02 to -0.03 MPa.

[0015] Preferably, the average polymerization degree of the inulin is 2-60, the dietary fiber content of the inulin is ≥80%, the moisture content is ≤5%, and the ash content is ≤0.5%;

[0016] The inulin is sieved, dusted and measured before use.

[0017] Preferably, 1 kg of the compound nutritional enhancer includes 0.8-1.2 g of vitamin A, 0.01-0.02 g of vitamin D, 5-8 g of vitamin E, 0.1-0.3 g of vitamin B1, 0.1-0.3 g of vitamin B2, 0.1-0.2 g of vitamin B6, 0.0005-0.001 g of vitamin B12, 1-3 g of niacin, 0.05-0.1 g of folic acid, 1-2 g of pantothenic acid, 10-15 g of iron, 8-12 g of zinc, and 0.02-0.03 g of selenium.

[0018] Preferably, the plant lactobacillus is freeze-dried bacterial powder, and the number of viable bacteria of the plant lactobacillus is ≥ 1×10 9 CFU / g, the plant lactobacillus is removed from the outer packaging, wiped and disinfected with 75% alcohol, and sterilized before entering the clean working area for feeding;

[0019] The alcohol wiping time is 5-10s, the wavelength of the sterilizing ultraviolet light is 254mm, and the irradiation intensity is ≥30μW / cm 2 , time 30-60s.

[0020] Preferably, the molecular weight of the collagen peptide is 1000-5000 Da, and the protein content of the collagen peptide is ≥90%.

[0021] A method for preparing a goat milk powder formula that assists in lowering blood pressure and blood lipids, the method for preparing the goat milk powder formula that assists in lowering blood pressure and blood lipids is as follows:

[0022] S1: Raw goat milk processing, acceptance, and transportation. The registered milk station purchases raw goat milk, tests it to meet the specified indicators, and transports it in an insulated tank truck with an internal temperature of 0-6°C and a transportation time of ≤4h.

[0023] Pretreatment: Raw goat milk is degassed in a degassing tank, filtered by a double filter, and measured by a mass flow meter. It is then cooled to 4-6°C with 0-4°C ice water and temporarily stored in a raw milk warehouse.

[0024] Purification and sterilization: preheat raw goat milk to 40-50℃, separate impurities through milk purifier, sterilize at 90±2℃ for 30s through plate sterilizer, cool to 0-6℃ and store in mature milk warehouse;

[0025] S2: Other raw material processing, oil / sugar: After acceptance, preheat oil in a 50-60℃ water bath until melted, and preheat sugar in an ambient temperature of 30-40℃, and measure both using a scale with an accuracy of ±0.1kg;

[0026] Powder raw materials, oat beta-glucan, chicken concentrate powder, etc. are sieved through an 80-mesh sieve, processed with desalted whey powder and inulin according to the specified method, and then put into the vacuum mixer;

[0027] Nutritional enhancers, after receiving, dust removal, measurement and verification, are dissolved in 8-10 times 40-50℃ pure water in the order of "minerals → vitamins → calcium carbonate". When dissolving, the stirring speed is 300-500r / min and the time is 10-15min. Vitamins are dissolved under the same conditions. The dissolution tanks for the two are made of 316 stainless steel and food-grade plastic respectively.

[0028] Functional raw materials: Dihydroquercetin is dissolved in 50% ethanol solution at 50-60°C and a concentration of 5-10%. Collagen peptide and calcium carbonate are dissolved in purified water at 40-50°C, respectively, with a solid-liquid ratio of 1:10.

[0029] S3: batching: preheat the milk in the cooked milk bin in S1 to 50-60°C, pump it into the batching tank in proportion, and stir it at a stirring speed of 20-30 r / min;

[0030] Add oil, sugar, and powder ingredients in sequence and stir for 10-15 minutes;

[0031] First add the mineral solution, stir for 5 minutes, then add the vitamin solution after an interval of more than 3 minutes, then add the dihydroquercetin solution, collagen peptide solution, and calcium carbonate solution. Control the temperature of the ingredients at 40-50°C and the concentration at 12-16%, and circulate the mixture for 600-900 seconds.

[0032] S4: Homogenization: After mixing, the material is homogenized by a high-pressure homogenizer with a first-level pressure of 18-20 MPa and a second-level pressure of 3-5 MPa to make the fat globule diameter ≤ 2 μm;

[0033] S5: Sterilization and concentration: After homogenization, the material passes through the balance cylinder to stabilize the flow, is preheated to 60-70℃, and then enters the DSI sterilization system and sterilizes at 90±2℃ for 60s;

[0034] After sterilization, the material enters a four-effect falling film evaporator, with the first effect temperature at 65-75°C, the second effect at 58-68°C, the third effect at 55-65°C, and the fourth effect at 50-60°C. The vacuum degree is -850 to -910 mbar, and the material is concentrated to a solid content of 40-50%, with a discharge temperature of 40-50°C.

[0035] S6: Spray drying: The concentrated milk is transported to a centrifugal spray drying tower by a high-pressure pump at a pressure of 100-150 bar. The inlet air temperature is 160-210°C, the exhaust air temperature is 75-95°C, the prepared milk powder is 80-95°C, and the whole milk powder is 75-90°C. The negative pressure in the centrifugal spray drying tower is 0-100 Pa to produce a base powder with a moisture content of ≤5%;

[0036] S7: Cooling and screening. The base powder is cooled in a fluidized bed with a fixed bed temperature of 60-75°C, 40-50°C in the first stage, 20-30°C in the second stage, and 15-25°C in the third stage. After cooling to ≤30°C, the powder is screened through a 100-mesh screen.

[0037] S8: Dry mixing: the base powder is cooled in a fluidized bed with a fixed bed temperature of 60-75°C, 40-50°C in the first stage, 20-30°C in the second stage, and 15-25°C in the third stage. After cooling to ≤30°C, it is sieved through a 100-mesh sieve at a speed of 58 r / min and then put into a dry mixer to mix with the remaining base powder for 180 s at a speed of 27.6 r / min.

[0038] S9: Inspection and packaging. After dry mixing, the materials are tested by metal detectors. After passing the test, they are packaged by automatic filling machines. The net content deviation is controlled at ±2%. The sealing time is 3-4s and the pressure is 0.5-0.6MPa. After the sealing test, the materials are printed, packed and put into storage.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] 1. The present invention achieves a synergistic effect of assisting in lowering blood pressure and blood lipids by formulating a variety of functional ingredients. The natural active substances in the formula cooperate with the nutritional components of goat milk itself to regulate lipid metabolism in the body and improve the intestinal environment, thereby maintaining the stability of blood pressure and blood lipids from multiple angles; at the same time, the added nutritional enhancers supplement the vitamins and minerals necessary for the human body, avoiding the problem of nutritional imbalance caused by a single functional ingredient, so that the product can meet daily nutritional needs while playing a regulatory role, and is suitable for long-term drinking.

[0041] 2. This invention controls process parameters during the production process to effectively retain the active ingredients in the raw materials. Mild sterilization and drying methods are used to avoid the damage of heat-sensitive ingredients caused by high temperatures, ensuring the activity of functional substances. Homogenization results in finer fat particles, improving the digestibility and absorption rate of the product and reducing the risk of fat accumulation. Furthermore, dust removal and disinfection measures during raw material processing reduce the possibility of impurities and microbial contamination, ensuring product safety and stability.

[0042] 3. This invention incorporates easily absorbed ingredients that are suitable for different age groups, especially those who need to monitor their blood pressure and blood lipids. The precise mixing process during production ensures uniform distribution of ingredients, ensuring consistent efficacy in every serving. The rigorous sealing process during packaging extends the product's shelf life and facilitates storage and portability. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 This is a process flow chart of a method for preparing a goat milk powder formula for assisting in lowering blood pressure and blood lipids according to the present invention. DETAILED DESCRIPTION

[0044] For the convenience of understanding the present invention, the present invention is given below with examples. It should be understood by those skilled in the art that the examples are only for the purpose of helping to understand the present invention and should not be regarded as specific limitations of the present invention.

[0045] The raw materials used can all be purchased on the market.

[0046] Example 1, a goat milk powder formula for assisting in lowering blood pressure and blood lipids, the goat milk powder formula comprising the following raw materials: 725kg of whole goat milk powder or 6304kg of raw goat milk, 125kg of desalted whey powder, 125kg of oligomaltodextrose, 5kg of inulin, 0.5kg of oat β-glucan, 0.2kg of dihydroquercetin, 0.5kg of chicken concentrate powder, 5kg of collagen peptide, 10kg of calcium carbonate, 0.5kg of plant lactobacillus, and 3.85kg of compound nutritional enhancer.

[0047] A method for preparing a goat milk powder formula for assisting in lowering blood pressure and blood lipids is as follows:

[0048] S1: Raw goat milk processing, acceptance and transportation

[0049] Raw goat milk was purchased from a registered milk station and tested to have a fat content of 3.5%, a protein content of 3.0%, a dry matter content of 12.0%, an impurity level of 2.0 mg / kg, a temperature of 2°C, and an acidity of 9°T. It was transported in an insulated tank truck with the temperature inside the tank controlled at 3°C ​​for 2 hours.

[0050] Preprocessing

[0051] The raw goat milk is degassed in a degassing tank, filtered through a double filter, measured by a mass flow meter, cooled to 5°C with 2°C ice water, and temporarily stored in a raw milk warehouse.

[0052] Purification and sterilization

[0053] Raw goat milk is preheated to 45°C and passed through a milk purifier to remove impurities, with the impurity content remaining ≤3mg / kg. It then passes through a plate-type sterilizer at 90°C for 30 seconds, with a flow rate of 27.5t / h. After sterilization, it is cooled to 3°C with ice water at 2°C and stored in a mature milk silo. The stirring speed is 12r / min and the storage time is 8 hours.

[0054] S2: Other raw material processing

[0055] Oils / Sugars

[0056] After acceptance, oils were preheated in a 55°C water bath until melted; sugars were preheated at 35°C. Both were measured using a scale with an accuracy of ±0.1kg. 125kg of isomaltooligosaccharide (95% purity, 60% isomaltose and panose combined, and 2% moisture) was collected and removed from the sample using a negative pressure device set to -0.025MPa.

[0057] Powder raw materials

[0058] 0.5 kg of oat β-glucan and 0.5 kg of chicken concentrate were sieved through an 80-mesh sieve. 125 kg of desalted whey powder (95% desalination, 13.5% protein, and 75% lactose) was decontaminated and dusted at a speed of 20 m / s for 45 seconds. 5 kg of inulin (30% average degree of polymerization, 85% dietary fiber, 3% moisture, and 0.3% ash) was sieved, dusted, and weighed before being added to a vacuum mixer along with the aforementioned powder ingredients.

[0059] Nutritional enhancers

[0060] 3.85kg of compound nutritional supplements, containing 1.0g of vitamin A, 0.015g of vitamin D, 6.5g of vitamin E, 0.2g of vitamin B1, 0.2g of vitamin B2, 0.15g of vitamin B6, 0.0007g of vitamin B12, 2g of niacin, 0.07g of folic acid, 1.5g of pantothenic acid, 12.5g of iron, 10g of zinc, and 0.025g of selenium per kg. After receiving, dust removal, metering, and verification, dissolve the ingredients in 9 times the amount of 45°C purified water, in the order of minerals, vitamins, and calcium carbonate. Dissolve at a stirring speed of 400 rpm for 12.5 minutes. The mineral dissolution tank is made of 316 stainless steel, and the vitamin dissolution tank is made of food-grade plastic.

[0061] Functional raw materials

[0062] 0.2 kg of dihydroquercetin was dissolved in a 7.5% ethanol solution at 55°C. 5 kg of collagen peptide (molecular weight 3000 Da, protein content 90%) and 10 kg of calcium carbonate were dissolved in 45°C purified water, with a solid-to-liquid ratio of 1:10.

[0063] S3: Ingredients

[0064] Preheat the milk from the mature milk silo in S1 to 55°C and pump it into the batching tank in proportion, stirring at 25 rpm. Add the oil, sugar, and powder ingredients sequentially and mix for 12 minutes. Add the mineral solution first and stir for 5 minutes. Then, add the vitamin solution at intervals of at least 3 minutes, followed by the dihydroquercetin solution, collagen peptide solution, and calcium carbonate solution. Maintain the temperature of the ingredients at 45°C and a concentration of 14%. Circulate and mix for 750 seconds.

[0065] S4: Homogenization

[0066] The mixed materials are homogenized by a high-pressure homogenizer with a first-level pressure of 19 MPa and a second-level pressure of 4 MPa, so that the diameter of the fat globules is ≤ 2 μm.

[0067] S5: Sterilization Concentrate

[0068] After homogenization, the material passes through a balancing cylinder to stabilize the flow rate, is preheated to 60°C, and then enters the DSI sterilization system, where it is sterilized at 88°C for 60 seconds. After sterilization, the material enters a four-effect falling film evaporator with a first-effect temperature of 65°C, a second-effect temperature of 58°C, a third-effect temperature of 55°C, and a fourth-effect temperature of 50°C. The vacuum degree is -850mbar, and it is concentrated to a solid content of 40%. The discharge temperature is 40°C.

[0069] S6: Spray Drying

[0070] The concentrated milk is transported to a centrifugal spray drying tower by a high-pressure pump at a pressure of 100 bar. The inlet air temperature is 160°C, the exhaust air temperature is 75°C, and the negative pressure in the centrifugal spray drying tower is -100Pa, to produce a base powder with a moisture content of ≤5%.

[0071] S7: Cooling and screening

[0072] The base powder is cooled in a fluidized bed with a fixed bed temperature of 60°C, a first stage temperature of 40°C, a second stage temperature of 20°C, and a third stage temperature of 15°C. After cooling to 25°C, it is sieved through a 100-mesh sieve.

[0073] S8: Dry Mix

[0074] The sieved base powder was cooled in a fluidized bed to 25°C, sieved through a 100-mesh sieve at a speed of 58 r / min, and then put into a dry mixer and mixed with the remaining base powder for 180 seconds at a speed of 27.6 r / min.

[0075] S9: Inspection packaging

[0076] After dry mixing, the materials are tested by a metal detector and packaged by an automatic filling machine after passing the test. The net content deviation is controlled at ±2%, the sealing time is 3 seconds, and the pressure is 0.5MPa. After the sealing test, the materials are coded, packed, and put into storage.

[0077] Example 2, a goat milk powder formula for assisting in lowering blood pressure and blood lipids, the goat milk powder formula comprising the following raw materials: 725 kg of whole goat milk powder or 6304 kg of raw goat milk, 125 kg of desalted whey powder, 125 kg of oligomaltodextrose, 5 kg of inulin, 0.5 kg of oat β-glucan, 0.2 kg of dihydroquercetin, 0.5 kg of chicken concentrate powder, 5 kg of collagen peptide, 10 kg of calcium carbonate, 0.5 kg of plant lactobacillus, and 3.85 kg of compound nutritional enhancer.

[0078] A method for preparing a goat milk powder formula for assisting in lowering blood pressure and blood lipids is as follows:

[0079] S1: Raw goat milk processing, acceptance and transportation

[0080] Raw goat milk was purchased from a registered milk station. Test results showed a fat content of 3.5%, a protein content of 3.0%, a dry matter content of 12.0%, an impurity level of 2.0 mg / kg, a temperature of 2°C, and an acidity of 9°T. The milk was transported in an insulated tanker, with the temperature inside the tank controlled at 3°C, for a transport time of 2 hours.

[0081] Preprocessing

[0082] After the raw goat milk is degassed in a degassing tank, it is filtered through a double filter, measured by a mass flow meter, cooled to 5°C with 2°C ice water, and temporarily stored in a raw milk warehouse.

[0083] Purification and sterilization

[0084] Raw goat milk is preheated to 45°C and passed through a milk purifier to remove impurities, with the final impurity content reaching ≤3mg / kg. It is then sterilized in a plate-type sterilizer at 90°C for 30 seconds, with a flow rate of 27.5t / h. After sterilization, it is cooled to 3°C with ice water at 2°C and stored in a mature milk silo with a stirring speed of 12r / min for 8 hours.

[0085] S2: Other raw material processing

[0086] Oils / Sugars: After acceptance, oils should be preheated in a 55°C water bath until melted, and sugars should be preheated in a 35°C environment. Both should be measured using a scale with an accuracy of ±0.1kg.

[0087] 125 kg of isomaltooligosaccharide with a purity of 95%, wherein the total content of isomaltose and panose is 60% and the moisture content is 2%, is removed by a negative pressure dust removal device with the negative pressure set to -0.025 MPa.

[0088] Powder ingredients: 0.5kg oat β-glucan and 0.5kg chicken concentrate powder, sieved through an 80-mesh sieve. 125kg demineralized whey powder (95% desalination, 13.5% protein, 75% lactose) was decontaminated and dedusted at a speed of 20m / s for 45 seconds. 5kg inulin (30% average degree of polymerization, 85% dietary fiber, 3% moisture, 0.3% ash) was sieved, dedusted, and weighed before being added to a vacuum mixer along with the above powder ingredients.

[0089] Nutritional enhancers: 3.85kg of compound nutritional enhancers, of which 1kg contains 1.0g of vitamin A, 0.015g of vitamin D, 6.5g of vitamin E, 0.2g of vitamin B1, 0.2g of vitamin B2, 0.15g of vitamin B6, 0.0007g of vitamin B12, 2g of niacin, 0.07g of folic acid, 1.5g of pantothenic acid, 12.5g of iron, 10g of zinc, and 0.025g of selenium. After receiving, dust removal, measurement, and verification, dissolve the minerals, vitamins, and calcium carbonate in 9 times the amount of 45°C purified water in the order of minerals, vitamins, and calcium carbonate. Dissolve at a stirring speed of 400 r / min for 12.5 minutes. The mineral dissolution tank should be made of 316 stainless steel, and the vitamin dissolution tank should be made of food-grade plastic.

[0090] Functional ingredients: 0.2 kg of dihydroquercetin was dissolved in a 7.5% ethanol solution at 55°C. 5 kg of collagen peptide (molecular weight 3000 Da, protein content 90%) and 10 kg of calcium carbonate were dissolved in 45°C purified water, with a solid-to-liquid ratio of 1:10.

[0091] S3: Ingredients

[0092] Preheat the milk in the mature milk silo in S1 to 55°C and pump it into the batching tank in proportion at a stirring speed of 25 r / min. Add the oil, sugar, and powder ingredients sequentially and stir for 12 minutes. Add the mineral solution first and stir for 5 minutes. Then, add the vitamin solution at intervals of at least 3 minutes. Then, add the dihydroquercetin solution, collagen peptide solution, and calcium carbonate solution. Maintain the temperature of the ingredients at 45°C and the concentration at 14%. Circulate and mix for 750 seconds.

[0093] S4: Homogenization

[0094] After batching, the material is homogenized by a high-pressure homogenizer with a first-level pressure of 19 MPa and a second-level pressure of 4 MPa to make the fat globule diameter ≤ 2 μm.

[0095] S5: Sterilization Concentrate

[0096] After homogenization, the material passes through the balancing cylinder to stabilize the flow, is preheated to 65℃, and then enters the DSI sterilization system. It is sterilized at 90℃ for 60 seconds. After sterilization, the material enters the four-effect falling film evaporator with the first effect temperature of 70℃, the second effect temperature of 63℃, the third effect temperature of 60℃, the fourth effect temperature of 55℃, the vacuum degree of -880mbar, and is concentrated to a solid content of 45%. The discharge temperature is 45℃.

[0097] S6: Spray Drying

[0098] The concentrated milk is transported to a centrifugal spray drying tower by a high-pressure pump at a pressure of 125 bar, with an inlet air temperature of 185°C, an exhaust air temperature of 85°C, and a negative pressure of -50Pa in the centrifugal spray drying tower to produce a base powder with a moisture content of ≤5%.

[0099] S7: Cooling and screening

[0100] The base powder is cooled in a fluidized bed, with a fixed bed temperature of 67°C, a first-stage temperature of 45°C, a second-stage temperature of 25°C, and a third-stage temperature of 20°C. After cooling to 28°C, it is sieved through a 100-mesh sieve.

[0101] S8: Dry Mix

[0102] The sieved base powder was cooled in a fluidized bed (parameters were the same as S7), cooled to 28 ° C, sieved through a 100-mesh sieve at a speed of 58 r / min, and then put into a dry mixer and mixed with the remaining base powder for 180 seconds at a speed of 27.6 r / min.

[0103] S9: Inspection packaging

[0104] After dry mixing, the materials are tested by a metal detector and packaged by an automatic filling machine after passing the test. The net content deviation is controlled at ±2%, the sealing time is 3.5 seconds, and the pressure is 0.55MPa. After the sealing test, the materials are coded, packed, and put into storage.

[0105] Example 3, Example 2, a goat milk powder formula for assisting in lowering blood pressure and blood lipids, the goat milk powder formula comprising the following raw materials: 725kg of whole goat milk powder or 6304kg of raw goat milk, 125kg of desalted whey powder, 125kg of oligomaltodextrose, 5kg of inulin, 0.5kg of oat β-glucan, 0.2kg of dihydroquercetin, 0.5kg of chicken concentrate powder, 5kg of collagen peptide, 10kg of calcium carbonate, 0.5kg of plant lactobacillus, and 3.85kg of compound nutritional enhancer.

[0106] A method for preparing a goat milk powder formula for assisting in lowering blood pressure and blood lipids is as follows:

[0107] S1: Raw goat milk processing, acceptance, and transportation: Raw goat milk is purchased from a registered milk station. Test results show a fat content of 4.0%, a protein content of 3.5%, a dry matter content of 13.0%, an impurity level of 1.0 mg / kg, a temperature of 4°C, and an acidity of 13°T. It is transported in an insulated tank truck with the tank temperature controlled at 6°C. The transportation time is 4 hours.

[0108] Pretreatment: After the raw goat milk is degassed in a degassing tank, it is filtered through a double filter, measured by a mass flow meter, cooled to 6°C with 4°C ice water, and temporarily stored in a raw milk warehouse.

[0109] Purification and sterilization: Raw goat milk is preheated to 50°C and passed through a milk purifier to remove impurities. After treatment, the impurity content is ≤2mg / kg. It then passes through a plate-type sterilizer at 92°C for 30 seconds, with a sterilization flow rate of 30t / h. After sterilization, the milk is cooled to 6°C with 4°C ice water and stored in a mature milk silo. The agitation speed is 15r / min and the storage time is 11 hours.

[0110] S2: Other raw material processing

[0111] Oils / Sugars: After acceptance, preheat oils in a 60°C water bath until melted; preheat sugars at 40°C. Both are measured using a scale with an accuracy of ±0.1kg. Take 125kg of isomaltooligosaccharide with a purity of 99%, including a combined isomaltose and panose content of 70% and a moisture content of 1%. Remove dust using a negative pressure dust collector set to -0.03MPa.

[0112] Powder ingredients: 0.5kg oat β-glucan and 0.5kg chicken concentrate powder were sieved through an 80-mesh sieve. 125kg demineralized whey powder (99% desalination, 15% protein, and 80% lactose) was decontaminated and dusted at a speed of 22m / s for 60 seconds. 5kg inulin (60% average degree of polymerization, 90% dietary fiber, 1% moisture, and 0.1% ash) was sieved, dusted, and weighed before being added to a vacuum mixer along with the above powder ingredients.

[0113] Nutritional Enhancers: 3.85kg of compound nutritional enhancers, containing 1.2g of vitamin A, 0.02g of vitamin D, 8g of vitamin E, 0.3g of vitamin B1, 0.3g of vitamin B2, 0.3g of vitamin B6, 0.2g of vitamin B12, 0.001g of vitamin B12, 3g of niacin, 0.1g of folic acid, 2g of pantothenic acid, 15g of iron, 12g of zinc, and 0.03g of selenium per kg. After receiving, dust removal, measuring, and review, dissolve the ingredients in 10-fold the amount of 50°C purified water, in the order of minerals, vitamins, and calcium carbonate. Dissolve at a stirring speed of 500 rpm for 15 minutes. The mineral dissolution tank is made of 316 stainless steel, and the vitamin dissolution tank is made of food-grade plastic.

[0114] Functional ingredients: 0.2 kg of dihydroquercetin was dissolved in a 10% volume fraction ethanol solution at 60°C. 5 kg of collagen peptide (molecular weight 5000 Da, protein content 90%) and 10 kg of calcium carbonate were dissolved in 50°C purified water, with a solid-to-liquid ratio of 1:10.

[0115] S3: Ingredients

[0116] Preheat the milk from the mature milk bin in S1 to 60°C and pump it into the batching tank in proportion. Stir at 30 rpm. Add the oil, sugar, and powder ingredients sequentially and mix for 15 minutes. Add the mineral solution first and stir for 5 minutes. Then, add the vitamin solution at intervals of at least 3 minutes. Then, add the dihydroquercetin solution, collagen peptide solution, and calcium carbonate solution. Maintain the batching temperature at 50°C and a concentration of 16%. Repeat the mixing cycle for 900 seconds.

[0117] S4: Homogenization

[0118] The mixed materials are homogenized by a high-pressure homogenizer with a first-level pressure of 20 MPa and a second-level pressure of 5 MPa, so that the diameter of the fat globules is ≤ 2 μm.

[0119] S5: Sterilization Concentrate

[0120] After homogenization, the material is stabilized by a balancing cylinder, preheated to 70°C, and then enters the DSI sterilization system, where it is sterilized at 92°C for 60 seconds. After sterilization, the material enters a four-effect falling film evaporator with a first-effect temperature of 75°C, a second-effect temperature of 68°C, a third-effect temperature of 65°C, and a fourth-effect temperature of 60°C. The vacuum is maintained at -910 mbar and the material is concentrated to a solid content of 50%. The discharge temperature is 50°C.

[0121] S6: Spray Drying

[0122] The concentrated milk is transported to a centrifugal spray drying tower by a high-pressure pump at a pressure of 150 bar. The inlet air temperature is 210°C, the exhaust air temperature is 95°C, and the negative pressure in the centrifugal spray drying tower is 0Pa, to produce a base powder with a moisture content of ≤5%.

[0123] S7: Cooling and screening

[0124] The base powder is cooled in a fluidized bed, the fixed bed temperature is 75°C, the first stage temperature is 50°C, the second stage temperature is 30°C, and the third stage temperature is 25°C. After cooling to 30°C, it is sieved through a 100-mesh sieve.

[0125] S8: Dry Mix

[0126] The sieved base powder was cooled in a fluidized bed to 30°C, sieved through a 100-mesh sieve at a speed of 58 r / min, and then put into a dry mixer and mixed with the remaining base powder for 180 seconds at a speed of 27.6 r / min.

[0127] S9: Inspection packaging

[0128] After dry mixing, the materials are tested by a metal detector and packaged by an automatic filling machine after passing the test. The net content deviation is controlled at ±2%, the sealing time is 4 seconds, and the pressure is 0.6MPa. After the sealing test, the materials are coded, packed, and put into storage.

[0129] Throughout this specification, references to terms such as "one embodiment," "example," and "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0130] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention.

Claims

1. A goat milk powder formula for assisting in lowering blood pressure and blood lipids, characterized in that: The goat milk powder formula includes the following raw materials: 725kg of whole goat milk powder or 6304kg of raw goat milk, 125kg of desalted whey powder, 125kg of oligomaltodextrose, 5kg of inulin, 0.5kg of oat beta-glucan, 0.2kg of dihydroquercetin, 0.5kg of chicken concentrate powder, 5kg of collagen peptide, 10kg of calcium carbonate, 0.5kg of plant lactobacillus, and 3.85kg of compound nutritional enhancer.

2. A goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The whole goat milk powder is prepared from raw goat milk through pasteurization and low-temperature spray drying. The whole goat milk powder has a fat content of 26-30%, a protein content of 24-28%, and non-fat milk solids of ≥70%. The raw goat milk has a fat content of ≥3.1%, a protein content of ≥2.8%, a dry matter content of ≥11.2%, an impurity content of ≤4.0 mg / kg, a temperature of 0-4°C, and an acidity of 6-13°T; The transportation temperature of the raw goat milk is 0-6°C. After acceptance, the raw goat milk is degassed in a degassing tank, filtered by a double filter, measured by a mass flow meter, and processed by a milk purifier, and the impurities are ≤4mg / kg.

3. A goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The raw goat milk is sterilized in a plate-type sterilizer at a temperature of 90±2°C for 30 seconds with a flow rate of 25-30T / h. After sterilization, the raw goat milk is cooled to 0-6°C with ice water at 0-4°C and stored. The stirring speed of the raw goat milk during storage is 10-15 r / min, and the storage time is less than 12 hours.

4. A goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The desalination rate of the desalted whey powder is ≥90%, 12-15%, and the lactose content is ≥70%. The desalted whey powder is de-outsourced and dusted by cargo leaching. The wind speed of the cargo leaching dust removal is 18-22m / s and the time is 30-60s.

5. A goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The purity of the isomaltooligosaccharide is ≥90%, the total content of isomaltose and panose in the isomaltooligosaccharide is ≥50%, and the moisture content is ≤3%. The isomaltooligosaccharide is dusted by a negative pressure dust removal device, and the negative pressure is -0.02 to -0.03 MPa.

6. A goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The average polymerization degree of the inulin is 2-60, the dietary fiber content of the inulin is ≥80%, the moisture content is ≤5%, and the ash content is ≤0.5%; The inulin is sieved, dusted and measured before use.

7. The goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: 1 kg of the compound nutritional enhancer includes 0.8-1.2 g of vitamin A, 0.01-0.02 g of vitamin D, 5-8 g of vitamin E, 0.1-0.3 g of vitamin B1, 0.1-0.3 g of vitamin B2, 0.1-0.2 g of vitamin B6, 0.0005-0.001 g of vitamin B12, 1-3 g of niacin, 0.05-0.1 g of folic acid, 1-2 g of pantothenic acid, 10-15 g of iron, 8-12 g of zinc, and 0.02-0.03 g of selenium.

8. The goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The plant lactobacillus is freeze-dried bacterial powder, and the number of viable bacteria of the plant lactobacillus is ≥1×10 9 CFU / g, the plant lactobacillus is removed from the outer packaging, wiped and disinfected with 75% alcohol, and sterilized before entering the clean working area for feeding; The alcohol wiping time is 5-10s, the wavelength of the sterilizing ultraviolet light is 254mm, and the irradiation intensity is ≥30μW / cm 2 , time 30-60s.

9. The goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claim 1, characterized in that: The molecular weight of the collagen peptide is 1000-5000 Da, and the protein content of the collagen peptide is ≥90%.

10. A method for preparing a goat milk powder formula for assisting in lowering blood pressure and blood lipids according to claims 1-9, characterized in that: The preparation method of the goat milk powder formula for lowering blood pressure and blood lipids is as follows: S1: Raw goat milk processing, acceptance, and transportation. The registered milk station purchases raw goat milk, tests it to meet the specified indicators, and transports it in an insulated tank truck with an internal temperature of 0-6°C and a transportation time of ≤4h. Pretreatment: Raw goat milk is degassed in a degassing tank, filtered by a double filter, and measured by a mass flow meter. It is then cooled to 4-6°C with 0-4°C ice water and temporarily stored in a raw milk warehouse. Purification and sterilization: preheat raw goat milk to 40-50℃, separate impurities through milk purifier, sterilize at 90±2℃ for 30s through plate sterilizer, cool to 0-6℃ and store in mature milk warehouse; S2: Other raw material processing, oil / sugar: After acceptance, preheat oil in a 50-60℃ water bath until melted, and preheat sugar in an ambient temperature of 30-40℃, and measure both using a scale with an accuracy of ±0.1kg; Powder raw materials, oat beta-glucan, chicken concentrate powder, etc. are sieved through an 80-mesh sieve, processed with desalted whey powder and inulin according to the specified method, and then put into the vacuum mixer; After receiving, dust removal, measurement and verification, the nutritional enhancers are dissolved in 8-10 times the amount of 40-50°C pure water in the order of "minerals → vitamins → calcium carbonate". When dissolving, stir at a speed of 300-500 r / min for 10-15 minutes. Vitamins are dissolved under the same conditions. The dissolution tanks for the two are made of 316 stainless steel and food-grade plastic respectively. Functional raw materials: Dihydroquercetin is dissolved in 50% ethanol solution at 50-60°C and a concentration of 5-10%. Collagen peptide and calcium carbonate are dissolved in purified water at 40-50°C, respectively, with a solid-liquid ratio of 1:

10. S3: batching: preheat the milk in the cooked milk bin in S1 to 50-60°C, pump it into the batching tank in proportion, and stir it at a stirring speed of 20-30 r / min; Add oil, sugar, and powder ingredients in sequence and stir for 10-15 minutes; First add the mineral solution, stir for 5 minutes, then add the vitamin solution after an interval of more than 3 minutes, then add the dihydroquercetin solution, collagen peptide solution, and calcium carbonate solution. Control the temperature of the ingredients at 40-50°C and the concentration at 12-16%, and circulate the mixture for 600-900 seconds. S4: Homogenization: After mixing, the material is homogenized by a high-pressure homogenizer with a first-level pressure of 18-20 MPa and a second-level pressure of 3-5 MPa to make the fat globule diameter ≤ 2 μm; S5: Sterilization and concentration: After homogenization, the material passes through the balance cylinder to stabilize the flow, is preheated to 60-70℃, and then enters the DSI sterilization system and sterilizes at 90±2℃ for 60s; After sterilization, the material enters a four-effect falling film evaporator, with the first effect temperature at 65-75°C, the second effect at 58-68°C, the third effect at 55-65°C, and the fourth effect at 50-60°C. The vacuum degree is -850 to -910 mbar, and the material is concentrated to a solid content of 40-50%, with a discharge temperature of 40-50°C. S6: Spray drying: The concentrated milk is transported to a centrifugal spray drying tower by a high-pressure pump at a pressure of 100-150 bar. The inlet air temperature is 160-210°C, the exhaust air temperature is 75-95°C, the prepared milk powder is 80-95°C, and the whole milk powder is 75-90°C. The negative pressure in the centrifugal spray drying tower is 0-100 Pa to produce a base powder with a moisture content of ≤5%; S7: Cooling and screening. The base powder is cooled in a fluidized bed with a fixed bed temperature of 60-75°C, 40-50°C in the first stage, 20-30°C in the second stage, and 15-25°C in the third stage. After cooling to ≤30°C, the powder is screened through a 100-mesh screen. S8: Dry mixing: the base powder is cooled in a fluidized bed with a fixed bed temperature of 60-75°C, 40-50°C in the first stage, 20-30°C in the second stage, and 15-25°C in the third stage. After cooling to ≤30°C, it is sieved through a 100-mesh sieve at a speed of 58 r / min and then put into a dry mixer to mix with the remaining base powder for 180 s at a speed of 27.6 r / min. S9: Inspection and packaging. After dry mixing, the materials are inspected by a metal detector. If qualified, they are packaged by an automatic filling machine, and the net content deviation is controlled at ±2%. The sealing time is 3-4s and the pressure is 0.5-0.6MPa. After the sealing test, the materials are sprayed with code, packed and put into storage.

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