Preparation method of cow-goat milk mixed-type infant formula milk powder

A formula and hybrid technology for infants and young children, applied in dairy products, milk preparations, applications, etc., can solve the problem of infants not being able to get breastfeeding, and achieve the effects of improving immunity and resistance, promoting growth and development, and avoiding diarrhea.

Active Publication Date: 2014-03-19
黑龙江省乳品工业技术开发中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Breast milk is the most ideal natural food for newborns. However, due to the influence of various factors of infants or mothers, about 30%-50% of infants in China cannot be breast-fed at present, so choosing suitable formula milk powder is very important for t

Method used

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  • Preparation method of cow-goat milk mixed-type infant formula milk powder
  • Preparation method of cow-goat milk mixed-type infant formula milk powder
  • Preparation method of cow-goat milk mixed-type infant formula milk powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: the modification of cow's milk casein

[0044] (1) Extraction and activity determination of rennet enzyme

[0045] Calf abomasum→cleaning→fine cutting→extraction (three times)→filtering→dialysis→drying→Renminase rennetase activity determination, please refer to the product manual of Wuxi Enzyme Preparation Factory.

[0046] (2) Separation of cow milk casein

[0047] Centrifuge the fresh milk to remove fat, adjust the pH of the milk to 4.3 with hydrochloric acid, and collect the precipitate, which is casein.

[0048] (3) Human emulsification modification and optimization experiment of casein

[0049] Dissolve the casein precipitate collected in the previous step.

[0050] Casein solution → rennet enzyme action → enzyme inactivation → centrifugation, the supernatant is the modified casein, detected by SDS-PAGE gel electrophoresis, it is found that compared with the original casein, the position of αs-casein The electrophoresis bands weakened a lot, but t...

Embodiment 2

[0052] Embodiment 2: Separation and purification of goat milk β-casein

[0053] (1) Fat removal

[0054] Select fresh goat milk sample (10mL) and centrifuge at 10400g for 30min at 4°C. The sample is divided into three layers, wherein the milk fat part is in the upper layer, the whey part is in the middle layer, and the milk particle part is in the bottom layer. Avoid the upper lipid layer and absorb the whey part. spare.

[0055] (2) Separation of β-casein

[0056] Adjust the whey pH to 4.6, reach the isoelectric point of casein, centrifuge at 40000g for 30min at 4°C, collect the precipitate, weigh 100mg of casein precipitate and dissolve in 50mL of equilibrium buffer (20mmol / L Tris, 3.3mol / L Tris urea), 1M NaOH to adjust the pH to 9.5. The samples were stirred intermittently in a water bath at 20°C for 0.5-1h. After fully dissolving, centrifuge at 10,000 g for 30 min at 4°C, filter the supernatant with a 0.45 μm filter membrane, and pass through a DEAE-Sepharose Fast Flow...

Embodiment 3

[0058] Embodiment 3: Addition of demineralized whey powder

[0059] Simulating the ratio of casein to whey protein in human milk, artificially added desalted whey powder, so that the ratio of casein to whey protein in formula milk powder was 40:60.

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Abstract

The invention discloses a preparation method of cow-goat milk mixed-type infant formula milk powder. The preparation method of the cow-goat milk mixed-type infant formula milk powder comprises the following steps: modifying cow milk casein, and adding goat milk beta-casein and demineralized whey powder in proportion of 40:60 according to the ratio of casein to whey protein in human milk. According to the invention, the protein components and proportion are much approximate to those of breast milk, and the immunity and resistance of infant bodies can be improved obviously; the brain, bone, muscle and fat growth and the integral growth and development of infants can be accelerated; the milk powder is easier to digest and absorb; the stomach discomfort cannot be caused, and infants cannot constipate after having the milk powder; the milk power does not contain allergic foreign proteins, cannot lead to milk product allergic symptoms of diarrhea and the like, and is suitable for infants with any corporeity, especially infants who are weak in stomach and intestine and poor in corporeity.

Description

technical field [0001] The invention relates to a method for preparing infant formula milk powder mixed with cow and goat milk, and belongs to the technical field of dairy product processing. Background technique [0002] Breast milk is the most ideal natural food for newborns. However, due to the influence of various factors of infants or mothers, about 30%-50% of infants in China cannot be breast-fed at present, so choosing suitable formula milk powder is very important for their growth. Development is very important. There are many types of infant formula milk powders available on the market, most of which use cow's milk as the main raw material, and there are fewer formula milk powders with goat's milk as the main raw material. In fact, from the perspective of infant nutrition, goat milk is rich in various nutrients and is closer to breast milk, especially in terms of protein composition and properties, essential amino acid content, non-protein nitrogen composition, fat...

Claims

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Application Information

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IPC IPC(8): A23C9/16A23C9/152A23C9/158
Inventor 李萌刘宁刘微
Owner 黑龙江省乳品工业技术开发中心
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