Meat and meat processing by-products contain a variety of proteins,which can be used to produce various bioactive peptides that are beneficial to the human body after enzymatic hydrolysis,microbial fermentation or gastrointestinal digestion,such as antihypertensive peptide(angiotensin converting enzyme inhibitory peptide),antioxidant peptide,antibacterial peptide,and dipeptidyl peptidaseⅣinhibitory peptide.Although increasing attention has been paid to the bioactivities of peptides,extraction and screening of peptides are still limited by the ...