Antioxidation yak lactoprotein peptide powder and preparation method thereof

A technology of yak milk protein and antioxidant peptide, which is applied in the field of antioxidant yak milk protein peptide powder and its preparation, can solve the problem of single protein powder category, and achieve the effects of rich nutrition, reduced MDA content, and huge market potential

Pending Publication Date: 2020-12-04
甘肃华羚生物技术研究中心有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is a single category of protein powder on the market, most of which are

Method used

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  • Antioxidation yak lactoprotein peptide powder and preparation method thereof
  • Antioxidation yak lactoprotein peptide powder and preparation method thereof
  • Antioxidation yak lactoprotein peptide powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, an antioxidant yak milk protein peptide powder, includes the following raw materials by weight percentage:

[0026] Concentrated whey protein (WPC80): 75 parts, full-fat yak milk powder: 8 parts, soybean protein isolate: 8 parts, yak milk antioxidant peptide: 2 parts, casein phosphopeptide: 0.5 part;

[0027] A preparation method of antioxidant yak milk protein peptide powder, the specific method steps are as follows:

[0028] S1: Extraction of yak milk antioxidant peptides:

[0029] (1) Dissolution: Take 10 parts of yak casein according to the weight percentage, add 500 parts of water, adjust the reaction temperature to 45°C, pH: 6, and stir to dissolve the yak casein;

[0030] (2) Enzymolysis: Weigh 0.25 parts of trypsin and add, maintain the reaction temperature at 30°C, pH: 5.5, and react for 1 hour;

[0031] (3) Enzyme inactivation: heat up to 80°C and maintain for 5 minutes;

[0032] (4) Precipitate casein: adjust the pH to 4.6 with 5mol / L hydroch...

Embodiment 2

[0038] Embodiment 2, an antioxidant yak milk protein peptide powder, includes the following raw materials by weight percentage:

[0039] Concentrated whey protein (WPC80): 90 parts, full-fat yak milk powder: 15 parts, soybean protein isolate: 14 parts, yak milk antioxidant peptide: 5 parts, casein phosphopeptide: 2.0 parts;

[0040] A preparation method of antioxidant yak milk protein peptide powder, the specific method steps are as follows:

[0041] S1: Extraction of yak milk antioxidant peptides:

[0042] (1) Dissolution: Take 50 parts of yak casein according to the weight percentage, add 500 parts of water, adjust the reaction temperature to 55°C, pH: 7.5, and stir to dissolve the yak casein;

[0043] (2) Enzymolysis: Weigh 2.5 parts of trypsin and add, maintain the reaction temperature at 50°C, pH: 7.5, and react for 4 hours;

[0044] (3) Enzyme inactivation: heat up to 100°C and maintain for 15 minutes;

[0045] (4) Precipitate casein: adjust the pH to 4.6 with 5mol / L ...

Embodiment 3

[0051] Embodiment 3, an antioxidant yak milk protein peptide powder, including the following raw materials by weight percentage:

[0052] Concentrated whey protein (WPC80): 85 parts, full-fat yak milk powder: 10 parts, soybean protein isolate: 10 parts, yak milk antioxidant peptide: 3 parts, casein phosphopeptide: 1.5 parts;

[0053] A preparation method of antioxidant yak milk protein peptide powder, the specific method steps are as follows:

[0054] S1: Extraction of yak milk antioxidant peptides:

[0055] (1) Dissolution: Take 40 parts of yak casein according to the weight percentage, add 500 parts of water, adjust the reaction temperature to 50°C, pH: 7.2, and stir to dissolve the yak casein;

[0056](2) Enzymolysis: Weigh 2.0 parts of trypsin and add, maintain the reaction temperature at 45°C, pH: 7.0, and react for 3 hours;

[0057] (3) Enzyme inactivation: heat up to 85°C and maintain for 12 minutes;

[0058] (4) Precipitate casein: adjust the pH to 4.6 with 5mol / L h...

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Abstract

The present invention discloses antioxidation yak lactoprotein peptide powder. The antioxidation yak lactoprotein peptide powder is prepared from the following raw materials in parts by weight: 75-90parts of whey protein concentrate, 8-15 parts of whole yak milk powder, 8-14 parts of soy isolate protein, 2-5 parts of yak milk antioxidation peptide and 0.5-2.0 parts of casein phosphopeptide. The product is prepared from yak milk antioxidation peptide prepared through dissolution, enzymolysis, enzyme deactivation, casein precipitation, centrifugation and spray drying, and other components. Theprotein peptide powder with the antioxidation function is developed and a yak milk high-added-value product, can meet requirements of consumers for food functionality, and meanwhile expands a currentsituation that protein powder products are single in variety.

Description

technical field [0001] The invention relates to the field of food, in particular to an antioxidant yak milk protein peptide powder and a preparation method thereof. Background technique [0002] Yak is the only cattle species in the world that lives above 3,000 meters above sea level. The green and pollution-free environment of the snowy plateau endows yak milk resources with uniqueness, uniqueness, rarity and functionality. It is the only yak milk resource in the world. One of the three original species of species. There are many biologically active peptides contained in yak milk casein. These peptides are inactive in the parent protein sequence and can become active peptides after being released through hydrolysis. These peptide substances have many functional properties, such as antioxidant activity and so on. Bioactive peptides that can inhibit the peroxidation of biological macromolecules or scavenge free radicals in the body are usually called antioxidant peptides. ...

Claims

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Application Information

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IPC IPC(8): A23L33/18A23L33/185A23L33/19C12P21/06C07K1/34
CPCA23L33/18A23L33/185A23L33/19C12P21/06C07K1/34A23V2002/00A23V2200/30A23V2250/54252A23V2250/5488A23V2250/55
Inventor 苏德亮宋礼罗丽崔广智李亚萍尹兰
Owner 甘肃华羚生物技术研究中心有限公司
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