ACE inhibitory peptides were prepared from whey protein by composite enzyme (alcalase,trypsin) and the ACE inhibitory activity were determined in vitro by spectrophotometry assay.

• 采用碱性蛋白酶、胰蛋白酶水解乳清蛋白制备ACE抑制肽,通过体外检测法测定其ACE抑制率。