期刊
CHEMICAL, MATERIAL AND METALLURGICAL ENGINEERING III, PTS 1-3
卷 881-883, 期 -, 页码 811-814出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.881-883.811
关键词
Soybean antioxidant peptides; Isolation; Purification
The soybean protein was hydrolyzed by Alcalase Food grade (FG) 2.4 L and the degree of hydrolysis (DH) were determined. The DH increased with the hydrolysis time increasing during 3.0 h. Then the hydrolysates was isolated by ultrafiltration membrane (1, 3, 10 kDa) and antioxidant activity was evaluated based on DPPH radical scavenging activity. The fraction of 1-3 kDa possessed the higher antioxidant activity than the other fractions (P < 0.05). Sephadex G-25 gel column was used to purify the three kinds of peptides and the eluted volume was investigated.
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