Investigation of protein patterns and antioxidant activity of collagen hydrolysates from skin of Fan-bellied leatherjacket Monacanthus chinensis by various enzymes | Khảo sát thành phần protein và hoạt tính kháng oxy hóa của collagen thủy phân tách chiết từ da cá bò gai móc Monacanthus chinensis bằng một số enzymes
2018
Pham, Xuan Ky | Phan, Bao Vy | Dao, Viet Ha | Le, Ho Khanh Hy | Nguyen, Thu Hong | Doan, Thi Thiet | Nguyen, Phuong Anh
Collagen extracted from the skin of fan-bellied leatherjacket was hydrolyzed and tested for antioxidant activity. The yields of acid soluble collagen (ASC) and pepsin soluble collagen (PSC) were 14.8% and 19.6%, respectively, based on the wet weight of skin. The SDS-PAGE results showed that collagen from the skin of this fish consists of α1 and α2 chains with molecular weight (MW) approximately 100 kDa, identified as type I collagen. Hydrolysis of collagen by the other enzymes, such as papain, bromelain, pepsin and alcalase could produce the peptides with MW less than 28 kDa. Hydrolyzed collagen possessed the antioxidant activity with different levels and greater than that of normal collagen.
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