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BIOACTIVE PEPTIDES OF THE COW MILK WHEY PROTEINS (Bos taurus)

Journal: Biotechnologia Acta (Vol.6, No. 5)

Publication Date:

Authors : ; ; ;

Page : 49-61

Keywords : milk whey proteins; bioactive peptides; proteolysis; functional dairy products.;

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Abstract

Data on the biological functions of milk whey proteins, which are implemented at the level of their proteolytic degradation products ? bioactive peptides have been reviewed. The main functions of these proteins is to provide the amino acid nutrition of mammals in the early stages of development, as well as the transport of fatty acids, retinol, involved in the synthesis of lactose, ions of calcium and iron, immune protection, antimicrobial action, etc. However, in recent years, it has been found that milk proteins like casein are precursors of biologically active peptides. Аngiotensin ? converting enzyme, opioid peptides which are opiate receptor agonists, anti?microbial peptides, peptides with immunomodulatory and hypocholesterolemic action, and peptides affecting motility have been found among the products of proteolytic degradation of ?-lactoglobulin, ?-laktoalbumin, lactoferrin and milk whey albumin. Also data on the possible participation of peptides from milk whey proteins in the implementation of the biological functions of both the assimilation of calcium, antioxidant effect, the regulation of appetite, anticarcinogenic are provided. The authors assume that the phenomenon of bioactive peptides formation could be considered as an additional function of natural food proteins, which gives advantages to the mammals and has a positive effect on their development in the postnatal period. Ways of bioactive peptides formation, their resistance to action of proteolytic enzymes, the ability to cross into the bloodstream and have biological effects have been also discussed. Up to date, only a few products with bioactive peptides from milk whey proteins are obtained. Further studies of their structure, mechanism of action, ways of formation and methods of isolation are required for their wider use. Formation of functional products based on bioactive peptides from milk whey proteins will allow efficient use of milk whey, which is often a byproduct of the dairy industry.

Last modified: 2016-11-17 21:30:06