Now the ACE inhibitory peptide, one kind of the most popular biologically active peptides, is attracting more and more the scientists’attention. Milk and the diary product contain all kinds of essential amino acid which make them one of the most nutrient food, meanwhile some ACE inhibitory peptides have been developed from it. Here, the new ACE inhibitory peptides were obtained from casein by simulating the gastrointestinal digestion. At first, the macroporus adsorption resin DA201-C and Sephadex G-10 were ...