阅读说明：本技术 一种含益生菌和锌的营养乳粉 (Nutritional milk powder containing probiotics and zinc ) 是由 李庆元 杨桂芹 王志标 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种含益生菌和锌的营养乳粉,其原料包括全脂乳粉、浓缩乳清蛋白粉、柠檬酸锌、乳酸锌、葡萄糖酸锌、乙二胺四乙酸铁钠、益生元、植物添加剂和益生菌；全脂乳粉、浓缩乳清蛋白粉、柠檬酸锌、乳酸锌、葡萄糖酸锌、乙二胺四乙酸铁钠、益生元、植物添加剂的重量比为30-45：17-25：0.05-0.15：0.01-0.15：0.01-0.15：0.01-0.05：0.8-2：2-6；益生菌的添加量为1×10～(6)cfu/g-1×10～(9)cfu/g；植物添加剂的原料包括茯苓粉、杏仁粉、金银花水提物、决明子水提物、芹菜籽水提物、陈皮醇提物和水果添加物。(The invention discloses nutritional milk powder containing probiotics and zinc, which comprises the raw materials of whole milk powder, concentrated whey protein powder, zinc citrate, zinc lactate, zinc gluconate, sodium iron ethylenediamine tetraacetate, prebiotics, plant additives and probiotics; the weight ratio of the whole milk powder, the concentrated whey protein powder, the zinc citrate, the zinc lactate, the zinc gluconate, the sodium iron ethylene diamine tetraacetate, the prebiotics and the plant additive is 30-45: 17-25: 0.05-0.15: 0.01-0.15: 0.01-0.15: 0.01-0.05: 0.8-2: 2-6; the addition amount of probiotic is 1 × 10 6 cfu/g‑1×10 9 cfu/g; the plant additive comprises Poria powder, semen Armeniacae amarum powder, flos Lonicerae water extract, semen Cassiae water extract, semen Apii Graveolentis water extract, pericarpium Citri Tangerinae alcohol extract and fruit additive.)

1. A nutritional milk powder containing probiotics and zinc is characterized in that the raw materials comprise whole milk powder, concentrated whey protein powder, zinc citrate, zinc lactate, zinc gluconate, sodium iron ethylenediamine tetraacetate, prebiotics, plant additives and probiotics;

wherein the weight ratio of the whole milk powder, the concentrated whey protein powder, the zinc citrate, the zinc lactate, the zinc gluconate, the sodium iron ethylenediamine tetraacetate, the prebiotics and the plant additive is 30-45: 17-25: 0.05-0.15: 0.01-0.15: 0.01-0.15: 0.01-0.05: 0.8-2: 2-6; the addition amount of the probiotics is 1 x 10⁶cfu/g-1×10⁹cfu/g；

The plant additive comprises Poria powder, semen Armeniacae amarum powder, flos Lonicerae water extract, semen Cassiae water extract, semen Apii Graveolentis water extract, pericarpium Citri Tangerinae alcohol extract and fruit additive.

2. The nutritional milk powder containing probiotics and zinc according to claim 1, wherein the prebiotics comprise one or more of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide.

3. The nutritional milk powder containing probiotics and zinc as claimed in claim 1, wherein the prebiotics are a mixture of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide, and the weight ratio of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide is 5-12: 1-3: 1-3: 2-8.

4. The nutritional milk powder containing probiotics and zinc according to claim 1, wherein the probiotics comprise bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to a weight ratio of 3-10: 1-5: 2-7.

5. The nutritional milk powder containing probiotics and zinc according to claim 1, wherein in the raw materials of the plant additive, the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the tangerine peel alcohol extract and the fruit additive is 2-10: 3-9: 1-4: 0.5-2: 1-4: 0.5-3: 3-7.

6. The nutritional milk powder containing probiotics and zinc according to claim 1, wherein the fruit supplement is prepared by a process comprising the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruits into a pulping machine, adding 0.1-0.15% by mass of citric acid solution, pulping, and filtering to obtain fruit juice and fruit residues; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, standing for 30-60min, performing microwave treatment at 60-80 ℃ for 30-50s, adding a citric acid-sodium citrate buffer solution with the pH of 4.5-5.5, adding cellulase, xylanase and pectinase, stirring for reaction at 50-55 ℃ for 2-3.5h, adjusting the pH to 6-6.5, adding alpha-amylase, stirring for 2-5h at 40-50 ℃, adjusting the pH to 6.7-7, adding papain, stirring for 2-3h at 50-55 ℃, inactivating enzymes after the reaction is finished, performing ethanol precipitation after centrifugation, centrifuging, drying, and uniformly mixing with fruit juice powder to obtain the fruit additive.

7. The nutritional milk powder containing probiotics and zinc according to claim 6, wherein the mass ratio of the raspberry, the mulberry and the apple is 1: 2-5: 3-12.

8. The nutritional milk powder containing probiotics and zinc according to claim 6, wherein the weight of the citric acid solution added is 35-55% of the weight of the mixed fruits in the beater; the pulping time is 3-10 min.

9. The nutritional milk powder containing probiotics and zinc according to claim 6, wherein the weight of the sodium bicarbonate is 10-15% of the weight of the superfine powder; the power of the microwave treatment is 700-760W; the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 5-10.

10. The nutritional milk powder containing probiotics and zinc according to any one of claims 6 to 9, wherein the weight ratio of the cellulase, xylanase, pectinase, alpha-amylase and papain is 5-10: 1-2: 3-4: 1-3: 4-11; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 14-30% of the weight of the superfine powder.

Technical Field

The invention relates to the technical field of food, in particular to nutritional milk powder containing probiotics and zinc.

Background

Zinc is one of the important trace elements constituting life, is called life flower, is helpful for improving appetite, is helpful for skin health, can participate in a plurality of physiological and biochemical processes in a body, and factors influencing zinc homeostasis, such as insufficient zinc intake, malabsorption, excessive loss or increased demand, can cause zinc deficiency. Zinc deficiency can lead to dysplasia and immune dysfunction, especially affecting height and intelligence development. Investigation has shown that zinc deficiency is a ubiquitous phenomenon in cereal-based populations.

The growth speed of children is fast, the metabolism is vigorous, the intake of zinc from food is far from enough, and the intake of zinc supplement is a main way to improve the problem of zinc deficiency. The commonly used zinc supplement has certain irritation to intestines and stomach, is easy to cause discomfort of the intestines and stomach, does not effectively supplement nutrients aiming at the problems of constipation, diarrhea, low resistance and the like, does not have a health care function, and limits the application of the zinc supplement.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides the nutritional milk powder containing probiotics and zinc, which is rich in nutrition and easy to absorb, can supplement zinc, can regulate intestinal health and has the health-care function of improving immunity.

The invention provides a nutritional milk powder containing probiotics and zinc, which comprises the raw materials of whole milk powder, concentrated whey protein powder, zinc citrate, zinc lactate, zinc gluconate, sodium iron ethylenediamine tetraacetate, prebiotics, plant additives and probiotics;

wherein the weight ratio of the whole milk powder, the concentrated whey protein powder, the zinc citrate, the zinc lactate, the zinc gluconate, the sodium iron ethylenediamine tetraacetate, the prebiotics and the plant additive is 30-45: 17-25: 0.05-0.15: 0.01-0.15: 0.01-0.15: 0.01-0.05: 0.8-2: 2-6; the addition amount of the probiotics is 1 x 10⁶cfu/g-1×10⁹cfu/g；

The plant additive comprises Poria powder, semen Armeniacae amarum powder, flos Lonicerae water extract, semen Cassiae water extract, semen Apii Graveolentis water extract, pericarpium Citri Tangerinae alcohol extract and fruit additive.

Preferably, the prebiotics comprise one or more of isomaltooligosaccharide, lactitol, raffinose, and xylooligosaccharide.

Preferably, the prebiotics are a mixture of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide, and the weight ratio of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide is 5-12: 1-3: 1-3: 2-8.

Preferably, the probiotics are bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to the weight ratio of 3-10: 1-5: 2-7.

Preferably, in the raw materials of the plant additive, the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additive is 2-10: 3-9: 1-4: 0.5-2: 1-4: 0.5-3: 3-7.

Preferably, the process for preparing the fruit supplement comprises the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruits into a pulping machine, adding 0.1-0.15% by mass of citric acid solution, pulping, and filtering to obtain fruit juice and fruit residues; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, standing for 30-60min, performing microwave treatment at 60-80 ℃ for 30-50s, adding a citric acid-sodium citrate buffer solution with the pH of 4.5-5.5, adding cellulase, xylanase and pectinase, stirring for reaction at 50-55 ℃ for 2-3.5h, adjusting the pH to 6-6.5, adding alpha-amylase, stirring for 2-5h at 40-50 ℃, adjusting the pH to 6.7-7, adding papain, stirring for 2-3h at 50-55 ℃, inactivating enzymes after the reaction is finished, performing ethanol precipitation after centrifugation, centrifuging, drying, and uniformly mixing with fruit juice powder to obtain the fruit additive.

Preferably, the mass ratio of the raspberry to the mulberry to the apple is 1: 2-5: 3-12.

Preferably, the citric acid solution is added in an amount of 35-55% by weight of the mixed fruit in the pulper; the pulping time is 3-10 min.

Preferably, the weight of the sodium bicarbonate is 10-15% of the weight of the superfine powder; the power of the microwave treatment is 700-760W; the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 5-10.

Preferably, the weight ratio of the cellulase to the xylanase to the pectinase to the alpha-amylase to the papain is 5-10: 1-2: 3-4: 1-3: 4-11; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 14-30% of the weight of the superfine powder.

Preferably, the raw materials of the nutritional milk powder containing probiotics and zinc can also comprise tricalcium phosphate, calcium glycerophosphate, stachyose and glucose.

Preferably, the honeysuckle aqueous extract can be prepared according to the following process: pulverizing flos Lonicerae, adding water 8-12 times of flos Lonicerae, boiling, extracting for 60-120min, filtering, concentrating the filtrate, and drying.

Preferably, the aqueous extract of cassia seed can be prepared according to the following process: adding water into semen Cassiae for 2-5 times, wherein the weight of the water added for each time is 8-10 times of that of semen Cassiae, and the extraction time for each time is 1-2 hr; mixing extractive solutions, concentrating, and drying.

Preferably, the celery seed aqueous extract can be prepared according to the following process: mixing celery seeds with water according to the weight ratio of 1: mixing at a mass ratio of 20-50, heating to boil, extracting for 30-60min, filtering, concentrating, and drying.

Preferably, the dried orange peel alcohol extract can be prepared according to the following process: crushing dried orange peel, mixing with 60-70% ethanol according to the weight ratio of 1: 5-7, heating to reflux and extracting for 50-90min, filtering, concentrating the filtrate, and drying.

According to the nutrition milk powder containing probiotics and zinc, according to the characteristics of nutriology and children, the nutrition milk powder specifically takes full cream milk powder, concentrated whey protein powder, zinc citrate, zinc lactate, zinc gluconate, sodium iron ethylenediaminetetraacetate, prebiotics, plant additives and probiotics as raw materials, and the raw materials can mutually promote respective functions, so that the obtained milk powder is rich in nutrition and easy to absorb, is particularly suitable for growth and development of children, and has the health-care functions of improving intestinal tracts and improving body immunity while supplementing zinc; specifically, zinc citrate, zinc lactate and zinc gluconate are matched to serve as a zinc source, and meanwhile, sodium ferric ethylenediamine tetraacetate and concentrated whey protein are added, so that the absorption of zinc is promoted while iron is provided, the absorption of other nutrients is not influenced, and the zinc supplementing effect is obvious; poria powder has effects of invigorating spleen, regulating stomach function, calming heart, tranquilizing mind, and enhancing immunity; the almond mainly contains substances such as protein, fat, sugar and the like, and has the functions of relieving cough and asthma and relaxing bowel; the honeysuckle can promote metabolism of a human body, regulate functions of the human body and improve immunity; semen Cassiae has effects in removing liver fire, improving eyesight, and relieving constipation; celery seed contains apigenin, linolenic acid, volatile oil, flavone, boron, calcium, magnesium, sodium, zinc, etc., and has effects of invigorating stomach, delaying aging, and strengthening bone; the main effective components of the dried orange peel alcohol extract are nobiletin and hesperetin, which can promote the discharge of gastric juice and pepsin, improve the activity of pepsin, increase the propelling speed of small intestine and enhance the digestion and absorption functions of gastrointestinal tract; the mulberry is a good fruit for nourishing and strengthening body, nourishing heart and promoting intelligence; the apple can supplement abundant mineral substances such as potassium, magnesium, phosphorus and the like for the organism, and can prevent and treat constipation; the raspberry fruit is sweet, contains sugar, malic acid, citric acid, vitamin C and the like, and has the effects of astringing essence, tonifying kidney, supporting yang, improving eyesight, dispelling alcohol, quenching thirst, reducing phlegm and detoxifying; the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additives made of raspberries, mulberries and apples are taken as raw materials to be added into the milk powder, so that the effects of relaxing bowel, improving intestinal health, promoting digestion and absorption of nutrient substances and improving the immunity of organisms can be achieved; in the preparation process of the fruit additive, raspberry, mulberry and apple are used as raw materials, the fruit residues are subjected to special treatment after juicing to obtain dietary fibers with good water solubility, and the dietary fibers are added into a system, are easy to absorb and can improve intestinal health.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to specific examples.

Example 1

The invention provides a nutritional milk powder containing probiotics and zinc, which comprises the following raw materials in parts by weight: 30 parts of whole milk powder, 17 parts of concentrated whey protein powder, 0.15 part of zinc citrate, 0.01 part of zinc lactate, 0.15 part of zinc gluconate, 0.02 part of sodium iron ethylenediamine tetraacetate, 1 part of isomaltooligosaccharide, 2 parts of plant additive and probiotics;

wherein, theThe addition amount of probiotic is 1 × 10⁶cfu/g；

The probiotics are bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to the weight ratio of 10: 1: 7;

the raw materials of the plant additive comprise poria cocos powder, almond powder, honeysuckle aqueous extract, cassia seed aqueous extract, celery seed aqueous extract, dried orange peel alcohol extract and fruit additive, and the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additive is 2: 9: 1: 0.5: 2: 0.5: 4;

the preparation process of the fruit additive comprises the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces, wherein the mass ratio of the raspberry to the mulberry to the apple is 1: 5: 3; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruit in a pulping machine, adding 0.1% citric acid solution by weight, wherein the weight of the added citric acid solution is 35% of the weight of the mixed fruit in the pulping machine, pulping for 10min, and filtering to obtain fruit juice and fruit residues; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, wherein the weight of the used sodium bicarbonate is 10% of that of the superfine powder, standing for 60min, performing microwave treatment at 60 ℃ for 50s, wherein the power of the microwave treatment is 760W, and adding a citric acid-sodium citrate buffer solution with the pH value of 4.5, wherein the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 5, adding cellulase, xylanase and pectinase, stirring for reaction at 55 ℃ for 2 hours, adjusting the pH value to 6.5, adding alpha-amylase, stirring for 5 hours at 40 ℃, adjusting the pH value to 6.7, adding papain, stirring for 2.3 hours at 50 ℃, inactivating the enzyme after the reaction is finished, centrifuging, precipitating with ethanol, centrifuging, drying, and uniformly mixing with the fruit juice powder to obtain the fruit additive; wherein the weight ratio of the cellulase to the xylanase to the pectinase to the alpha-amylase to the papain is 10: 1: 4: 2: 11; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 14 percent of the weight of the superfine powder.

Example 2

The invention provides a nutritional milk powder containing probiotics and zinc, which comprises the following raw materials in parts by weight: 38 parts of whole milk powder, 25 parts of concentrated whey protein powder, 0.05 part of zinc citrate, 0.15 part of zinc lactate, 0.01 part of zinc gluconate, 0.02 part of sodium iron ethylenediamine tetraacetate, 2 parts of prebiotics, 2 parts of plant additives and probiotics; wherein the addition amount of the probiotics is 1 × 10⁹cfu/g；

The probiotics are bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to the weight ratio of 3: 5: 2;

the prebiotics are a mixture of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide, and the weight ratio of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide is 12: 1: 3: 2;

the raw materials of the plant additive comprise poria cocos powder, almond powder, a honeysuckle aqueous extract, a cassia seed aqueous extract, a celery seed aqueous extract, a dried orange peel alcohol extract and a fruit additive, and the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additive is 10: 3: 4: 0.9: 4: 3: 3;

the preparation process of the fruit additive comprises the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces, wherein the mass ratio of the raspberry to the mulberry to the apple is 1: 2: 7; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruit in a pulping machine, adding 0.15% citric acid solution by mass, pulping for 3min, and filtering to obtain fruit juice and fruit residue; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, wherein the weight of the used sodium bicarbonate is 15% of that of the superfine powder, standing for 30min, performing microwave treatment at 80 ℃ for 30s, wherein the power of the microwave treatment is 700W, and adding a citric acid-sodium citrate buffer solution with the pH value of 5.5, wherein the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 6, adding cellulase, xylanase and pectinase, stirring at 50 ℃ for reaction for 3 hours, adjusting the pH value to 6, adding alpha-amylase, stirring at 43 ℃ for 3 hours, adjusting the pH value to 6.8, adding papain, stirring at 55 ℃ for 2 hours, inactivating the enzyme after the reaction is finished, centrifuging, precipitating with ethanol, centrifuging, drying, and uniformly mixing with the fruit juice powder to obtain the fruit additive; wherein the weight ratio of the cellulase to the xylanase to the pectinase to the alpha-amylase to the papain is 7: 2: 3: 1: 7; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 30 percent of the weight of the superfine powder.

Example 3

The invention provides a nutritional milk powder containing probiotics and zinc, which comprises the following raw materials in parts by weight: 40 parts of whole milk powder, 21 parts of concentrated whey protein powder, 0.07 part of zinc citrate, 0.08 part of zinc lactate, 0.1 part of zinc gluconate, 0.03 part of sodium iron ethylenediamine tetraacetate, 0.8 part of prebiotics, 6 parts of plant additives and probiotics; wherein the addition amount of the probiotics is 1 × 10⁷cfu/g；

The prebiotics are a mixture of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide, and the weight ratio of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide is 5: 3: 1: 8;

the probiotics are bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to the weight ratio of 4: 3: 5 with a mixture of;

the raw materials of the plant additive comprise poria cocos powder, almond powder, honeysuckle aqueous extract, cassia seed aqueous extract, celery seed aqueous extract, dried orange peel alcohol extract and fruit additive, and the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additive is 7: 6: 2: 2: 1: 1: 7;

the preparation process of the fruit additive comprises the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces, wherein the mass ratio of the raspberry to the mulberry to the apple is 1: 4: 12; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruit in a pulping machine, adding 0.12% citric acid solution by weight, wherein the weight of the added citric acid solution is 50% of the weight of the mixed fruit in the pulping machine, pulping for 7min, and filtering to obtain fruit juice and fruit residues; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, wherein the weight of the used sodium bicarbonate is 12% of that of the superfine powder, standing for 55min, performing microwave treatment at 65 ℃ for 45s, wherein the power of the microwave treatment is 750W, and adding a citric acid-sodium citrate buffer solution with the pH value of 4.5, wherein the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 10, adding cellulase, xylanase and pectinase, stirring for reaction for 3.5 hours at 53 ℃, adjusting the pH value to 6, adding alpha-amylase, stirring for 2 hours at 50 ℃, adjusting the pH value to 7, adding papain, stirring for 3 hours at 53 ℃, inactivating the enzyme after the reaction is finished, centrifuging, precipitating with ethanol, centrifuging, drying, and uniformly mixing with the fruit juice powder to obtain the fruit additive; wherein the weight ratio of the cellulase to the xylanase to the pectinase to the alpha-amylase to the papain is 5: 2: 3: 3: 4; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 19 percent of the weight of the superfine powder.

Example 4

The invention provides a nutritional milk powder containing probiotics and zinc, which comprises the following raw materials in parts by weight: 45 parts of whole milk powder, 18 parts of concentrated whey protein powder, 0.1 part of zinc citrate, 0.1 part of zinc lactate, 0.09 part of zinc gluconate, 0.05 part of sodium iron ethylenediamine tetraacetate, 1.2 parts of prebiotics, 3 parts of plant additives and probiotics; wherein the addition amount of the probiotics is 1 × 10⁸cfu/g；

The prebiotics are a mixture of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide, and the weight ratio of isomaltooligosaccharide, lactitol, raffinose and xylooligosaccharide is 9: 2: 1: 5;

the probiotics are bifidobacterium longum, lactobacillus rhamnosus and lactobacillus paracasei according to the weight ratio of 8: 3: 4;

the raw materials of the plant additive comprise poria cocos powder, almond powder, a honeysuckle aqueous extract, a cassia seed aqueous extract, a celery seed aqueous extract, a dried orange peel alcohol extract and a fruit additive, wherein the weight ratio of the poria cocos powder, the almond powder, the honeysuckle aqueous extract, the cassia seed aqueous extract, the celery seed aqueous extract, the dried orange peel alcohol extract and the fruit additive is 8: 5: 3: 1: 2: 0.9: 4;

the preparation process of the fruit additive comprises the following steps: cleaning raspberry, mulberry and apple, and cutting the apple into pieces, wherein the mass ratio of the raspberry to the mulberry to the apple is 1: 3: 7; mixing the cut apples with raspberries and mulberries to obtain mixed fruits; placing the mixed fruit in a pulping machine, adding 0.14% citric acid solution by weight, wherein the weight of the added citric acid solution is 38% of the weight of the mixed fruit in the pulping machine, pulping for 8min, and filtering to obtain fruit juice and fruit residues; concentrating and drying the fruit juice to obtain fruit juice powder; drying the pomace and then crushing by using an ultrafine crusher to obtain ultrafine powder; uniformly mixing the superfine powder and a sodium bicarbonate solution, wherein the weight of sodium bicarbonate in the sodium bicarbonate solution is 13% of the weight of the superfine powder, standing for 35min, performing microwave treatment at 70 ℃ for 35s, wherein the power of the microwave treatment is 720W, adding a citric acid-sodium citrate buffer solution with the pH value of 5, and the weight ratio of the superfine powder to the citric acid-sodium citrate buffer solution is 1: 7, adding cellulase, xylanase and pectinase, stirring at 52 ℃ for reaction for 2.5h, adjusting the pH value to 6, adding alpha-amylase, stirring at 46 ℃ for 3h, adjusting the pH value to 6.8, adding papain, stirring at 54 ℃ for 2.5h, inactivating the enzyme after the reaction is finished, centrifuging, precipitating with ethanol, centrifuging, drying, and uniformly mixing with the fruit juice powder to obtain the fruit additive; wherein the weight ratio of the cellulase to the xylanase to the pectinase to the alpha-amylase to the papain is 7: 1: 3.7: 1: 6; the total weight of the cellulase, the xylanase, the pectinase, the alpha-amylase and the papain is 21 percent of the weight of the superfine powder.

Comparative example 1

The only difference from example 4 is that: the raw materials do not contain plant additives.

Comparative example 2

The only difference from example 4 is that: the raw materials do not contain EDTA ferric sodium.

Comparative example 3

The only difference from example 4 is that: the probiotics are bifidobacterium longum and lactobacillus paracasei according to the weight ratio of 8: 4 in the presence of a catalyst.

Comparative example 4

A nutritional milk powder comprises the following raw materials in parts by weight: 55 parts of whole milk powder, 18 parts of concentrated whey protein powder, 0.1 part of zinc citrate, 0.1 part of zinc lactate and 0.09 part of zinc gluconate.

300 children with inappetence, fatigue and memory deterioration due to zinc deficiency are selected, randomly divided into 5 groups of 60 persons, and the nutritional milk powder of example 4 and comparative examples 1-4 is administered for 30 days, 2 times a day, 5g each time, and followed up, and the results are recorded; after 30 days, 59 cases were cured by taking the nutritional milk powder of example 4, while 42-53 cases were cured by taking the milk powder of comparative examples 1-4, which was less than the number of cases cured by example 4.

Selecting 40 cases of subjects who are indigestion, abdominal distension and constipation and susceptible to cold, wherein the subjects are aged 10-12 years and randomly divided into 4 groups, 10 persons in each group are respectively given the nutrition powder in the embodiment 4 and the comparative examples 1-3, 2 times a day and 5g each time, and the results are observed after the continuous administration for 14 days, wherein the patients are healed when the stool is normal, the appetite is increased, the abdominal distension and eructation symptoms disappear, the defecation is once after 2 days, the defecation is smooth, and the cold rate is reduced by more than 80%; relieving stool, relieving constipation once after less than 3 days, improving appetite, relieving abdominal distention and belching symptoms, and reducing the cold rate by about 50%; none of the symptoms turned to ineffective; the results are as follows: after the nutritional milk powder of the example 4 is taken, 9 cases are cured, 1 case is improved, and 0 case is not effective; 4 cases of recovery, 3 improvement and 3 ineffectiveness are achieved by taking the milk powder of the comparative example 1; 8 cases are cured, 2 cases are improved and 0 case is not effective when the milk powder of the comparative example 2 is taken; 6 cases are cured, 3 cases are improved, and 1 case is ineffective when the milk powder of the comparative example 3 is taken.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.