Preparation method of yak milk casein antihypertensive peptide

The invention relates to a preparation method of yak milk casein antihypertensive peptide. The method comprises main technical schemes as follows: (1) dissolving yak milk casein; (2) adding trypsin for hydrolysis; (3) inactivating the trypsin; (4) precipitating casein; (5) centrifuging and removing...

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Bibliographic Details
Main Authors SONG LI, GAO WEIDONG, HE XIAO, JI YINLI, XIE XIAODONG, GE JINGWEI, SU YANPING
Format Patent
LanguageChinese
English
Published 21.11.2012
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPIRITS
VINEGAR
WINE
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Summary:The invention relates to a preparation method of yak milk casein antihypertensive peptide. The method comprises main technical schemes as follows: (1) dissolving yak milk casein; (2) adding trypsin for hydrolysis; (3) inactivating the trypsin; (4) precipitating casein; (5) centrifuging and removing the precipitant; (6) performing ultra-filtration; (7) performing nano-filtration; and (8) performing spray drying. Raw materials for the method provided by the invention are unique; the process is scientific and reasonable, simple and feasible; the product is the casein antihypertensive peptide with rather high purity with the ACE (angiotensin converting enzyme) inhibition activity higher than 70%; the product is safe and free from toxic side effects, has nutritional and assistant medical treatment functions, and can be used as an additive widely applied in the fields of food, healthcare products and medicines and the like.
Bibliography:Application Number: CN20121315491