In Vitro Antioxidant Activity of Peptides from Simulated Gastro-Intestinal Digestion Products of Cyprinus carpio haematopterus Scale Gelatin
文献类型： 外文期刊
第一作者： Xiao, Feng
作者： Xiao, Feng;He, Jialiang;Cheng, Weiwei;Ren, Guoyan;Chen, Shengjun;Li, Laihao
作者机构：
关键词： antioxidant; simulated gastro-intestinal digestion; Cyprinus carpio haematopterus scale; gelatin
期刊名称：FOODS （ 影响因子：4.35； 五年影响因子：4.957 ）
ISSN：
年卷期： 2019 年 8 卷 12 期
页码：
收录情况： SCI
摘要： A two-stage simulated gastro-intestinal (GI) digestion model (2 h pepsin treatment and subsequent 2 h pancreatin treatment at 37 degrees C) was used to explore the antioxidant activity of the digested products of Cyprinus carpio haematopterus scale gelatin with different molecular weights (MW). From the gastric phase to the intestinal phase, the hydrolysis degree of the products increased from 2.6 +/- 0.4% to 16.9 +/- 0.7%. The fraction of 0-1 kDa (JCP3) exhibited the best antioxidant activities in hydroxyl radical scavenging, reducing power, and metal chelating activity. The fraction of 1-3 kDa (JCP2) exhibited the best 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity. However, the fractions of 0-1 kDa (JCP3) and 1-3 kDa (JCP2) showed similar inhibitory activity of lipid peroxidation. The results indicated that Cyprinus carpio haematopterus scale gelatin can be digested in the gastrointestinal tract. Furthermore, the digested products had antioxidant activity.
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