Effect of digestive enzymes on antimicrobial, radical scavenging and angiotensin I-converting enzyme inhibitory activities of camel colostrum and milk proteins
Résumé
Camelmilk and colostrumare known to be a rich source of bioactive proteins. Camel milk, colostrum and colostral whey proteins were successively hydrolysed by pepsin and pancreatin using an in vitro protocol mimicking gastro-intestinal digestion. The degradation of proteins was characterised by electrophoresis and reversed-phase ultra-high performance liquid chromatography. Two whey proteins, α-lactalbumin and immunoglobulins G, weremore resistant to the digestive proteolytic enzymes than other camel milk and colostrum proteins. Undigested and digested samples were assayed for their antioxidant, angiotensin I-converting enzyme inhibitory and antimicrobial
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