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Preparation of antioxidant peptides from phycocyanin by enzymatic hydrolysis
Authors
周云丽
周虹
+4 more
唐志红
焦绪栋
秦松
鞠宝
Publication date
20 November 2012
Publisher
Abstract
研究了藻蓝蛋白抗氧化肽制备的最佳酶解工艺及抗氧化活性。以还原能力为考察指标,藻蓝蛋白为底物,木瓜蛋白酶为水解酶,采用正交设计优化水解条件。结果表明,影响藻蓝蛋白抗氧化肽制备的各因素排列顺序为:时间>温度>pH值>[E]/[S],制备藻蓝蛋白抗氧化肽的最佳工艺条件为温度50℃、时间为3h、[E]/[S]1:20、pH7.0,此条件下制备的藻蓝蛋白抗氧化肽还原能力最强为0.948。另外藻蓝蛋白抗氧化肽对超氧阴离子和羟基自由基均具有显著的清除作用,且表现出一定的量效关系
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Last time updated on 18/09/2018