阅读说明：本技术 一种改善肠道消化能力的增高羊乳粉及其制备方法 (Goat milk powder capable of improving intestinal digestion capacity and preparation method thereof ) 是由 孟百跃 孟江鹏 辛妮 崔秀秀 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种改善肠道消化能力的增高羊乳粉及其制备方法,涉及配方羊乳粉技术领域,本发明所述配方羊乳粉,以1吨羊乳粉成品计算,所述配方山羊乳由湿法制成的基粉992.14Kg和干法配方粉7.86Kg组成,制成基粉的各组分添加量为：能制420Kg全脂羊乳粉的生羊乳、脱盐乳清粉300Kg、乳糖85Kg、混合植物油85Kg、浓缩乳清蛋白粉85Kg、复配营养强化剂12Kg、低聚果糖7Kg、花生四烯酸3.1Kg、二十二碳六烯酸2.2Kg、氢氧化钾1Kg；所述干法配方粉由乳铁蛋白0.22Kg、水解蛋黄粉1Kg、初乳碱性蛋白1Kg、混合果蔬粉5Kg、复合AB菌粉0.44Kg、罗汉果粉0.2Kg组成。本发明通过合理配伍以及合理工艺设置,提供的羊乳粉能有效改善肠胃消化能力,并促进儿童身高增长。(The invention discloses a height-increasing goat milk powder for improving intestinal digestion capacity and a preparation method thereof, and relates to the technical field of formula goat milk powder, the formula goat milk powder is calculated by 1 ton of goat milk powder finished product, the formula goat milk consists of 992.14Kg of base powder prepared by a wet method and 7.86Kg of dry formula powder, and the addition amount of each component for preparing the base powder is as follows: raw goat milk capable of preparing 420Kg of full-fat goat milk powder, 300Kg of desalted whey powder, 85Kg of lactose, 85Kg of mixed vegetable oil, 85Kg of concentrated whey protein powder, 12Kg of compound nutrition enhancer, 7Kg of fructo-oligosaccharide, 3.1Kg of arachidonic acid, 2.2Kg of docosahexaenoic acid and 1Kg of potassium hydroxide; the dry method formula powder comprises 0.22Kg of lactoferrin, 1Kg of hydrolyzed yolk powder, 1Kg of colostrum basic protein, 5Kg of mixed fruit and vegetable powder, 0.44Kg of composite AB bacteria powder and 0.2Kg of fructus momordicae powder. Through reasonable compatibility and reasonable process setting, the provided goat milk powder can effectively improve the digestive ability of intestines and stomach and promote the growth of the height of children.)

1. The height-increasing goat milk powder for improving intestinal digestion capability is characterized in that 1 ton of goat milk powder finished product is calculated, the formula goat milk consists of 992.14Kg of base powder prepared by a wet method and 7.86Kg of dry formula powder, and the addition amount of each component for preparing the base powder is as follows: raw goat milk capable of preparing 420Kg of full-fat goat milk powder, 300Kg of desalted whey powder, 85Kg of lactose, 85Kg of mixed vegetable oil, 85Kg of concentrated whey protein powder, 12Kg of compound nutrition enhancer, 7Kg of fructo-oligosaccharide, 3.1Kg of arachidonic acid, 2.2Kg of docosahexaenoic acid and 1Kg of potassium hydroxide; the dry method formula powder comprises 0.22Kg of lactoferrin, 1Kg of hydrolyzed yolk powder, 1Kg of colostrum basic protein, 5Kg of mixed fruit and vegetable powder, 0.44Kg of composite AB bacteria powder and 0.2Kg of fructus momordicae powder.

2. The sheep milk powder for improving the digestive ability of the intestinal tract according to claim 1, wherein the compound nutrition enhancer comprises the following components: 2Kg of compound vitamin, 1Kg of compound mineral substance, 8Kg of compound calcium carbonate and 1Kg of compound choline chloride.

3. The goat milk powder for improving the digestive ability of the intestinal tract as claimed in claim 2, wherein the compound vitamin is composed of the following components: 700g of L-ascorbic acid, 134.1g of dl-alpha-tocopherol acetate, 24.4g of D-calcium pantothenate, 43g of nicotinamide, 66.6g of retinyl acetate, 85g of riboflavin, 11g of thiamine hydrochloride, 119.5g of pyridoxine hydrochloride, 23g of folic acid, 40g of cholecalciferol, 2.0g of cyanocobalamine, 320g of taurine and 431.4g of lactose.

4. The goat milk powder for improving the digestive ability of the intestinal tract as claimed in claim 2, wherein the compound minerals are composed of the following components: 391.5g of ferrous sulfate, 285.7g of zinc sulfate, 31.1g of sodium selenite and 291.7g of lactose.

5. The goat milk powder for improving the digestive ability of the intestinal tract as claimed in claim 2, wherein the compound calcium carbonate is composed of the following components: 7999g of calcium carbonate, 0.5g of L-ascorbic acid and 0.5g of lactose.

6. The goat milk powder for improving the digestive ability of the intestinal tract as claimed in claim 2, wherein the compound choline chloride is composed of the following components: 999g of choline chloride, 0.5g of L-ascorbic acid and 0.5g of lactose.

7. The sheep milk powder for improving intestinal digestibility as claimed in claim 1, wherein the mixed fruit and vegetable powder is prepared by mixing carrot powder, tomato powder, strawberry powder, pumpkin powder, spinach powder, bitter gourd powder, broccoli powder, apple powder, banana powder, yam powder, orange powder, lemon powder, coconut powder, kiwi powder and blueberry powder.

8. The method for preparing the goat milk powder for improving the digestive ability of the intestinal tract as claimed in any one of claims 1 to 7, comprising the steps of:

(1) and (3) filtering and removing impurities: measuring and filtering the raw goat milk qualified by acceptance, and removing mechanical impurities in the fresh milk;

(2) and (3) cold storage: cooling the filtered raw goat milk and refrigerating for later use;

(3) cleaning milk: cleaning raw goat milk, removing impurities in the goat milk, and ensuring that the impurity degree is less than or equal to 2.0 mg/kg;

(4) and (3) sterilization: sterilizing the raw goat milk after milk purification, and then storing;

(5) standardizing ingredients: mixing the stored raw goat milk with desalted whey powder, lactose, mixed vegetable oil, concentrated whey protein powder, a compound nutrition enhancer, fructo-oligosaccharide, arachidonic acid, docosahexaenoic acid and potassium hydroxide according to a proportion, and carrying out standardized burdening and dissolving at 50-60 ℃ to obtain feed liquid;

(6) homogenizing: homogenizing the feed liquid in a high-pressure homogenizer at a temperature not higher than 60 deg.C under a homogenizing pressure of 10-14Mpa to break fat particles in the feed liquid into smaller fat balls, and uniformly dispersing in milk;

(7) concentration and evaporation and high-temperature sterilization: concentrating and evaporating the emulsion to remove water to form concentrated milk; and sterilizing the concentrated milk at high temperature;

(8) spray drying: pumping the concentrated milk into a sterile milk storage tank through a discharge pump, filtering the concentrated milk by using a filter screen before pumping the concentrated milk into the milk storage tank, and pumping the concentrated milk into a drying tower by using a high-pressure pump for spray drying; wherein: the air inlet temperature during spray drying is 170-185 ℃, the air exhaust temperature is 80-92 ℃, and the negative pressure in the tower is-20-35 water column mmH₂O, controlling the temperature in the tower to be 60-92 ℃;

(9) and (3) cooling: cooling the dried concentrated milk by a fluidized bed to obtain wet milk powder, and then introducing the wet milk powder into a dry mixing room by a closed conveying system;

(10) dry mixing: according to the proportion, lactoferrin, hydrolyzed yolk powder, colostrum basic protein, mixed fruit and vegetable powder and momordica grosvenori powder are added into a dry mixing room after tunnel sterilization;

(11) metering and mixing: mixing the sterilized lactoferrin, the hydrolyzed yolk powder, the colostrum basic protein, the mixed fruit and vegetable powder and the momordica grosvenori powder with the dried milk powder according to the proportion;

(12) normal temperature mixing of probiotics: cooling the mixed milk powder, adding the composite AB bacteria powder according to a proportion, and mixing in a vacuum normal-temperature environment;

(13) and (3) detecting trace metal elements: detecting trace metal elements of the mixed milk powder;

(14) packaging and warehousing: sieving the qualified milk powder, and then performing film-covering nitrogen-filling packaging, external packaging, code spraying, boxing and warehousing according to the required specification; the nitrogen is filled for packaging, the nitrogen pressure is more than or equal to 0.5MPa, and the residual oxygen is less than or equal to 3.0 percent; the transverse sealing temperature of the adult formula milk powder is 175-185 ℃, and the longitudinal sealing temperature is 160-180 ℃.

Technical Field

The invention relates to the technical field of formula goat milk powder, and particularly relates to a goat milk powder capable of improving intestinal digestion capacity and a preparation method thereof.

Background

The children's digestion ability is strong and weak, which directly affects the growth of children. In general, gastrointestinal colonization is an important factor affecting the digestive ability of the human body. Generally speaking, a large amount of probiotics are contained in human gastrointestinal bacterial colonies to help human bodies to digest, and in the growth process of children, if other physical indexes are normal, but only excrement is irregular and growth and development are slow, most of the intestinal bacterial colonies have problems, namely the number of probiotics is not enough, then the probiotics need to be supplemented additionally.

Generally, in the case of a significant dyspepsia in children, probiotic bacteria (complex AB bacteria powder, Bifidobacterium animalis Bb-12 and Lactobacillus acidophilus LA-5) are administered to children. However, the existing probiotics lack compatible components, so that the probiotics entering the body cannot grow quickly to play a role, the probiotics can take 1-3 days to play a role, and after the probiotics are stopped, the intestinal probiotics can be reduced to the level before taking.

Disclosure of Invention

The invention aims to provide the heightening goat milk powder for improving the intestinal digestion capacity, so as to help people with insufficient probiotics to quickly and efficiently supplement the probiotics, provide sufficient nutrient substances for the height increase of children and meet the necessary nutrition of the growth process of the children.

In addition, the invention also provides a preparation method of the goat milk powder for improving the intestinal digestion capacity, the goat milk powder is processed by adopting a dry-wet composite process, the food nutrition enhancer in the formula is added by adopting a wet process and a dry process according to the characteristics of raw materials, and the components are uniformly distributed while the product functionality is ensured.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the height-increasing goat milk powder for improving intestinal digestion capacity is calculated by 1 ton of goat milk powder finished product, the formula goat milk is composed of 992.14Kg of base powder prepared by a wet method and 7.86Kg of dry formula powder, and the addition amount of each component for preparing the base powder is as follows: raw goat milk capable of preparing 420Kg of full-fat goat milk powder, 300Kg of desalted whey powder, 85Kg of lactose, 85Kg of mixed vegetable oil, 85Kg of concentrated whey protein powder, 12Kg of compound nutrition enhancer, 7Kg of fructo-oligosaccharide, 3.1Kg of arachidonic acid, 2.2Kg of docosahexaenoic acid and 1Kg of potassium hydroxide; the dry method formula powder comprises 0.22Kg of lactoferrin, 1Kg of hydrolyzed yolk powder, 1Kg of colostrum basic protein, 5Kg of mixed fruit and vegetable powder, 0.44Kg of composite AB bacteria powder and 0.2Kg of fructus momordicae powder.

Preferably, the compound nutrition enhancer consists of the following components: 2Kg of compound vitamin, 1Kg of compound mineral substance, 8Kg of compound calcium carbonate and 1Kg of compound choline chloride.

Further, the compound vitamin comprises the following components: 700g of L-ascorbic acid, 134.1g of dl-alpha-tocopherol acetate, 24.4g of D-calcium pantothenate, 43g of nicotinamide, 66.6g of retinyl acetate, 85g of riboflavin, 11g of thiamine hydrochloride, 119.5g of pyridoxine hydrochloride, 23g of folic acid, 40g of cholecalciferol, 2.0g of cyanocobalamine, 320g of taurine and 431.4g of lactose.

Further, the compound mineral comprises the following components: 391.5g of ferrous sulfate, 285.7g of zinc sulfate, 31.1g of sodium selenite and 291.7g of lactose.

Further, the compound calcium carbonate consists of the following components: 7999g of calcium carbonate, 0.5g of L-ascorbic acid and 0.5g of lactose.

Further, the compound choline chloride consists of the following components: 999g of choline chloride, 0.5g of L-ascorbic acid and 0.5g of lactose.

Preferably, the mixed fruit and vegetable powder is prepared by mixing carrot powder, tomato powder, strawberry powder, pumpkin powder, spinach powder, bitter gourd powder, broccoli powder, apple powder, banana powder, yam powder, orange powder, lemon powder, coconut powder, kiwi powder and blueberry powder.

A preparation method of goat milk powder for improving intestinal digestion capacity comprises the following steps:

(1) and (3) filtering and removing impurities: measuring and filtering the raw goat milk qualified by acceptance, and removing mechanical impurities in the fresh milk;

(2) and (3) cold storage: cooling the filtered raw goat milk and refrigerating for later use;

(3) cleaning milk: cleaning raw goat milk, removing impurities in the goat milk, and ensuring that the impurity degree is less than or equal to 2.0 mg/kg;

(4) and (3) sterilization: sterilizing the raw goat milk after milk purification, and then storing;

(5) standardizing ingredients: mixing the stored raw goat milk with desalted whey powder, lactose, mixed vegetable oil, concentrated whey protein powder, a compound nutrition enhancer, fructo-oligosaccharide, arachidonic acid, docosahexaenoic acid and potassium hydroxide according to a proportion, and carrying out standardized burdening and dissolving at 50-60 ℃ to obtain feed liquid;

(6) homogenizing: homogenizing the feed liquid in a high-pressure homogenizer at a temperature not higher than 60 deg.C under a homogenizing pressure of 10-14Mpa to break fat particles in the feed liquid into smaller fat balls, and uniformly dispersing in milk;

(7) concentration and evaporation and high-temperature sterilization: concentrating and evaporating the emulsion to remove water to form concentrated milk; and sterilizing the concentrated milk at high temperature;

(8) spray drying: pumping the concentrated milk into a sterile milk storage tank through a discharge pump, filtering the concentrated milk by using a filter screen before pumping the concentrated milk into the milk storage tank, and pumping the concentrated milk into a drying tower by using a high-pressure pump for spray drying; wherein: the air inlet temperature during spray drying is 170-185 ℃, the air exhaust temperature is 80-92 ℃, and the negative pressure in the tower is-20-35 water column mmH₂O, controlling the temperature in the tower to be 60-92 ℃;

(9) and (3) cooling: cooling the dried concentrated milk by a fluidized bed to obtain wet milk powder, and then introducing the wet milk powder into a dry mixing room by a closed conveying system;

(10) dry mixing: according to the proportion, lactoferrin, hydrolyzed yolk powder, colostrum basic protein, mixed fruit and vegetable powder and momordica grosvenori powder are added into a dry mixing room after tunnel sterilization;

(11) metering and mixing: mixing the sterilized lactoferrin, the hydrolyzed yolk powder, the colostrum basic protein, the mixed fruit and vegetable powder and the momordica grosvenori powder with the dried milk powder according to the proportion;

(12) normal temperature mixing of probiotics: cooling the mixed milk powder, adding the composite AB bacteria powder according to a proportion, and mixing in a vacuum normal-temperature environment;

(13) and (3) detecting trace metal elements: detecting trace metal elements of the mixed milk powder;

(14) packaging and warehousing: sieving the qualified milk powder, and then performing film-covering nitrogen-filling packaging, external packaging, code spraying, boxing and warehousing according to the required specification; the nitrogen is filled for packaging, the nitrogen pressure is more than or equal to 0.5MPa, and the residual oxygen is less than or equal to 3.0 percent; the transverse sealing temperature of the adult formula milk powder is 175-185 ℃, and the longitudinal sealing temperature is 160-180 ℃.

Compared with the prior art, the invention has the following beneficial effects:

1. through reasonable compatibility and reasonable process setting, the provided goat milk powder can effectively improve the digestive capacity of intestines and stomach;

2. in the formula, lactose, compound choline chloride and fructo-oligosaccharide jointly promote the rapid propagation of probiotics in intestinal tracts, so as to rapidly generate the digestive system improving effect;

3. in the formula, the mutual influence of the probiotics and the compound nutrition enhancer forms good positive circulation between growth and improvement of a digestive system;

4. the milk powder provided by the invention has various fruit and vegetable flavors, good mouthfeel and easy acceptance;

5. the invention adds the hydrolyzed yolk powder, and realizes the bone formation effect by promoting absorption through the reasonable compatibility of the colostrum basic protein, the compound choline chloride, the taurine and other substances: the choline chloride and the taurine promote the absorption of fat (mixed vegetable oil), the mixed vegetable oil and the isomaltooligosaccharide promote the absorption of hydrolyzed yolk powder and colostrum basic protein due to complex metabolic reaction, the hydrolyzed yolk powder promotes bone formation and inhibits bone absorption, the colostrum basic protein promotes bone metabolism, the activities of osteoblasts and osteoclasts are coordinated, the dynamic balance of the hydrolyzed yolk powder and the colostrum basic protein is kept, the bone growth is promoted, the bone is repaired, and the hydrolyzed yolk powder and the colostrum basic protein are mutually matched and mutually promoted, so that the effect of strengthening the bone is realized, and the growth is more facilitated under the condition of improving intestinal digestion by matching with calcium in a formula.

Detailed Description

Example 1

The embodiment provides a goat milk powder for improving intestinal digestion capacity, calculated by 1 ton of goat milk powder finished product, the goat milk in the formula consists of 992.14Kg of base powder prepared by a wet method and 7.86Kg of dry formula powder, and the addition amount of each component for preparing the base powder is as follows: raw goat milk capable of preparing 420Kg of full-fat goat milk powder, 300Kg of desalted whey powder, 85Kg of lactose, 85Kg of mixed vegetable oil, 85Kg of concentrated whey protein powder, 12Kg of compound nutrition enhancer, 7Kg of fructo-oligosaccharide, 3.1Kg of arachidonic acid, 2.2Kg of docosahexaenoic acid and 1Kg of potassium hydroxide; the dry method formula powder comprises 0.22Kg of lactoferrin, 1Kg of hydrolyzed yolk powder, 1Kg of colostrum basic protein, 5Kg of mixed fruit and vegetable powder, 0.44Kg of composite AB bacteria powder and 0.2Kg of fructus momordicae powder.

The compound nutrition enhancer consists of the following components: 2Kg of compound vitamin, 1Kg of compound mineral substance, 8Kg of compound calcium carbonate and 1Kg of compound choline chloride. The compound vitamin comprises the following components: 700g of L-ascorbic acid, 134.1g of dl-alpha-tocopherol acetate, 24.4g of D-calcium pantothenate, 43g of nicotinamide, 66.6g of retinyl acetate, 85g of riboflavin, 11g of thiamine hydrochloride, 119.5g of pyridoxine hydrochloride, 23g of folic acid, 40g of cholecalciferol, 2.0g of cyanocobalamine, 320g of taurine and 431.4g of lactose. The compound mineral comprises the following components: 391.5g of ferrous sulfate, 285.7g of zinc sulfate, 31.1g of sodium selenite and 291.7g of lactose. The compound calcium carbonate consists of the following components: 7999g of calcium carbonate, 0.5g of L-ascorbic acid and 0.5g of lactose. The compound choline chloride comprises the following components: 999g of choline chloride, 0.5g of L-ascorbic acid and 0.5g of lactose. The mixed fruit and vegetable powder is prepared by mixing carrot powder, tomato powder, strawberry powder, pumpkin powder, spinach powder, bitter gourd powder, broccoli powder, apple powder, banana powder, yam powder, orange powder, lemon powder, coconut powder, kiwi powder and blueberry powder.

The embodiment also provides a preparation process of the milk powder, which comprises the following steps:

examination and acceptance of raw goat milk

The method comprises the steps of purchasing from a specified qualified milk station, monitoring by a stationer, milking and refrigerating, then transporting to a company, carrying out batch-by-batch sampling inspection by a raw goat milk inspector after entering a factory according to standards, executing detection items and results according to GB19301-2010 raw goat milk standard, and inspecting and accepting only after the raw goat milk is qualified (each factory can also customize respective further inspection and acceptance standards on the basis of the standards and requires that only raw goat milk meets two standards simultaneously for inspection and acceptance).

Second, filtration

And (3) filtering the raw goat milk qualified in acceptance and acceptance by using a 80-mesh or 120-mesh nylon filter screen to remove mechanical impurities in the fresh milk.

Cold storage

Cooling the filtered raw goat milk by a plate heat exchanger, and storing the cooled raw goat milk in a refrigerating tank for later use; the storage temperature is controlled at 0-4 deg.C, and the acidity is controlled at 6-13⁰And T, regularly checking whether the temperature and the acidity meet the requirements.

Fourth, cleaning milk

Cleaning raw goat milk by a separator, removing impurities in the raw goat milk, and timely discharging slag according to the impurity condition after milk cleaning, wherein the impurity degree is required to be less than or equal to 2.0 mg/kg.

Fifth, sterilizing and storing

The goat milk is pre-sterilized by a plate type sterilization machine, enters a degassing tank, is treated by a spore separator and returns to the plate type sterilization machine to kill part of microorganisms in the fresh milk. In the embodiment, when the adopted sterilization machine is a 25-ton sterilization machine, the temperature is 80-85 ℃, and the sterilization time is 15 s; when the adopted sterilization machine is a 30-ton sterilization machine, the temperature is 90-110 ℃, and the sterilization time is 4 s. And (4) after sterilization, storing the raw goat milk.

Sixthly, standardized ingredients (from here on, the preparation of the goat milk powder)

Adding auxiliary materials into the stored raw goat milk according to the formula, and carrying out standardized burdening and dissolving at 50-60 ℃ to obtain feed liquid. The auxiliary materials described in this embodiment are the desalted whey powder, lactose, mixed vegetable oil, concentrated whey protein powder, compound nutrition enhancer, fructo-oligosaccharide, arachidonic acid, docosahexaenoic acid, and potassium hydroxide, and the steps of weighing, preheating, dissolving (35-45 deg.C), metering, etc.

Seven, homogenizing

Homogenizing the feed liquid at a temperature not higher than 60 deg.C in a high-pressure homogenizer under a homogenizing pressure of 10-14Mpa, pulverizing fat particles into smaller fat balls, and uniformly dispersing in the emulsion.

Eighth, concentration and evaporation

And sterilizing the emulsion again by a sterilizer through a falling film evaporation system, concentrating and evaporating by a separator to remove water to form concentrated milk, wherein the discharge density after concentration is 1.090-1.155.

High temperature sterilization

The concentrated milk is sterilized by the plate heat exchanger, so that most of bacteria in the feed liquid are killed. In this embodiment, the high-temperature sterilization mainly has two modes: the method is characterized in that the high-temperature sterilization of the south China and the VTIS (tetra-basic ethylene glycol-vinyl acetate copolymer) is realized, a VTIS sterilization mode is usually adopted, and the south China equipment is adopted for sterilization when VTIS sterilization equipment fails or small-batch production (1-3 tons) is carried out. Specifically, the plate heat exchanger is of a Nanhua brand, the used high-temperature sterilization is 89-96 ℃, and the sterilization time is 10 s; or the plate heat exchanger brand is VTIS, the used high-temperature sterilization is performed at the temperature of 110-120 ℃, and the sterilization time is 0.33 s.

Ten, spray drying

Pumping the concentrated milk into a sterile milk storage tank through a discharge pump, filtering the concentrated milk by using a filter screen before pumping the concentrated milk into the milk storage tank, and pumping the concentrated milk into a drying tower by using a high-pressure pump for spray drying. In the embodiment, the air inlet temperature during spray drying is 170-185 ℃, the air outlet temperature is 80-92 ℃, and the negative pressure in the tower is-20-35 water column mmH₂And O, wherein the temperature in the tower is 60-92 ℃.

Eleven, fluidized bed cooling and temporary storage

And cooling the dried concentrated milk for three times by a fluidized bed to obtain milk powder, and then temporarily storing the milk powder in a closed conveying system (or carrying out large packaging on 25Kg of base powder). The air inlet temperature of the tertiary cooling is 15-35 ℃.

Twelve, tunnel sterilization

According to the proportion, lactoferrin, hydrolyzed yolk powder, colostrum basic protein, mixed fruit and vegetable powder and momordica grosvenori powder are added into a dry mixing room after tunnel sterilization.

Thirteen, metering and mixing

Mixing the weighed lactoferrin, the hydrolyzed yolk powder, the colostrum basic protein, the mixed fruit and vegetable powder and the momordica grosvenori powder with the milk powder produced in the previous step.

Fourteen, normal temperature mixed probiotics

Cooling the mixed milk powder, adding the composite AB bacteria powder according to a proportion, and mixing in a vacuum normal-temperature environment;

fifteen, detecting trace metal elements

And a metal detector is installed on the formula milk powder production line, and trace metal element detection is carried out on the mixed milk powder. In this embodiment, the metal detector is calibrated by sequentially using 1.0mm iron balls, 1.2mm non-iron balls and 1.5mm stainless steel balls before use, so as to ensure accurate detection results.

Sixteen, fill nitrogen package

Sieving the qualified milk powder through a vibrating screen, then conveying to a quantitative packaging machine, and performing film-covering nitrogen-filling packaging and sealing according to the required specification. The parameters of the film-covered nitrogen-filled package in the embodiment are as follows:

the nitrogen pressure is more than or equal to 0.5MPa, and the residual oxygen content is less than or equal to 3.0 percent;

the transverse sealing temperature of the adult formula milk powder is 175-185 ℃, and the longitudinal sealing temperature is 160-180 ℃.

Seventeen, external packing

Canning or boxing according to the product variety requirement, sealing, spraying code, and finally boxing.

Eighteen, put in storage

And stacking the packaged finished products in a finished product warehouse according to the requirement for storage, wherein the products must be stacked on a tray and keep a certain distance from the wall surface, and stacking the products respectively according to the production date/batch number and the variety/specification to make marks. Keeping the warehouse clean and sanitary, cool, dry and ventilated, and keeping the rat-proof, dust-proof, damp-proof and fireproof facilities intact.

Nineteen, inspection and delivery

And (4) inspecting the milk powder put in storage, wherein an inspection qualified report can be issued when the milk powder is qualified, and then the milk powder leaves the factory, and the milk powder returns for additional treatment when the milk powder is not qualified.

Comparative example

The formula and the production process provided in the embodiment 1 are provided, one of the additives is cancelled or replaced, or the addition mode of one of the components is changed, and the production of the control group milk powder specifically comprises the following steps: preparing control group milk powder A without adding lactose; preparing a control group milk powder B without adding fructo-oligosaccharide; the compound choline chloride is not added, and the control group milk powder C is prepared; directly adding unbounded choline chloride to prepare control group milk powder D; the addition of a compound nutrition enhancer is cancelled, and the control group milk powder E is prepared; the composite AB bacteria powder is added with lactoferrin, hydrolyzed yolk powder, colostrum basic protein, mixed fruit and vegetable powder, fructus Siraitiae Grosvenorii powder, etc. to prepare control group milk powder F.

Control test

The method comprises the following steps of extracting fecal DNA (deoxyribonucleic acid) and analyzing by a high-throughput detection technology to obtain various bacterial counts in the feces of mice, selecting 90 mice with the bacterial counts of bifidobacterium Bb-12 and lactobacillus acidophilus LA-5 in the feces of 5.5 +/-0.2 and 7.5 +/-0.2 respectively, dividing the mice into 9 groups, feeding the mice with milk powder, clear water and composite AB bacterial powder aqueous solution with the same content prepared in example 1 and a comparative example respectively, feeding the mice once every 12 hours, stopping the mice after feeding the mice for 4 times, wherein the average change and increase of the bacterial counts of each group is as follows:

the above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.