Effect of in vitro gastrointestinal digestion on the antioxidant activity of protein hydrolysates prepared from Cape hake by-products

被引：31
|
作者：
Teixeira, Barbara [1 ,2 ,3 ]
Pires, Carla [1 ,2 ]
Nunes, Maria L. [1 ,2 ]
Batista, Irineu [1 ,2 ]
机构：
[1] Portuguese Inst Sea & Atmosphere IPMA IP, Div Aquaculture & Upgrading DivAV, Ave Brasilia, P-1449006 Lisbon, Portugal
[2] Univ Porto, Interdisciplinary Ctr Marine & Environm Res CIIMA, Rua Bragas 289, P-4050123 Oporto, Portugal
[3] Univ Aveiro, Dept Chem, Nat & Agro food Prod QOPNA, Res Unit Organ Chem, Campus Univ Santiago, P-3810193 Aveiro, Portugal
来源：
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 12期
关键词：
Antioxidant properties; Cape hake protein hydrolysates; chelating properties; invitro gastrointestinal digestion; TILAPIA OREOCHROMIS-NILOTICUS; FUNCTIONAL-PROPERTIES; MERLUCCIUS-PRODUCTUS; LIPID OXIDATION; PEPTIDES; PURIFICATION; MUSCLE; ENZYME; TUNA; GELATIN;
D O I：
10.1111/ijfs.13233
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The antioxidant activity of fish protein hydrolysates may change in the digestive tract during the human gastrointestinal digestion depending on their preparation conditions. Thus, the objective of this study was to assess the antioxidant properties of Cape hake hydrolysates prepared by three different methods (HPH-A, HPH-B and HPH-C) and the effect of their invitro gastrointestinal digestion on their antioxidant properties. HPH-A showed the highest reducing power, while HPH-B and HPH-C exhibited the highest OH antiradical activity. Fe2+-chelating activity was similar for all hydrolysates, but HPH-C had a higher Cu2+-chelating activity comparable to that of EDTA. The invitro gastrointestinal digestion of hydrolysates caused a decrease in the DPPH inhibition, but an increase in scavenging ABTS in all hydrolysates. Copper- and iron-chelating activities increased after digestion of hydrolysates. The results showed that the gastrointestinal digestion of HPHs generally increased their antioxidant properties.
引用
收藏
页码：2528 / 2536
页数：9
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