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author:

江勇 (江勇.) [1] | 汪少芸 (汪少芸.) [2] | 赵珺 (赵珺.) [3] | 饶平凡 (饶平凡.) [4]

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PKU CSCD

Abstract:

目的:利用酸性蛋白酶水解鲨鱼皮明胶,制备活性多肽,并对其生物活性进行表征。方法:应用超滤、SP-Sephadex C-25强阳离子交换色谱、Sephadex G-50凝胶过滤色谱和C18高效液相色谱分离酶解产物,测定其抗氧化活性和细菌低温保护活性。结论:从鲨鱼皮明胶酶解产物中分离得到3个抗氧化多肽,分别命名为B-Ⅲa、B-Ⅲc和B-Ⅲd。它们清除DPPH自由基的IC50分别为63.56、98.70和100.27g/mL,清除ABTS自由基的IC50分别为82.34、90.97和84.58g/mL,而它们抑制脂质过氧化反应的活性相对弱些。细菌低温保护试验结果表明,3种多肽均能提高大肠杆菌在冷冻状...

Keyword:

冷冻保护活性 多肽 抗氧化 明胶

Community:

  • [ 1 ] 福州大学生物科学与工程学院

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Source :

中国食品学报

Year: 2013

Issue: 05

Volume: 13

Page: 53-61

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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