【摘 要】
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Rice antioxidative peptides (RAP) was produced using rice protein concentration (RPC) as raw materials.The proteinase Alcanase enzymatic digestion process f
【机 构】
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Food Science & Nutrition Department of Zhejiang University, Hangzhou 310029, CHINA
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Rice antioxidative peptides (RAP) was produced using rice protein concentration (RPC) as raw materials.The proteinase Alcanase enzymatic digestion process for producing RAP was optimized by response surface methodology (RSM).The optimal conditions for producing RAP were pH=7.74,temperature=61.5C,ratio of water to material=5.23.Under the conditions,the reducibility value of RAP was 1.1501.The RAP possessed not only reducibility,but also the power of scavenging DPPH radicle.Its capability of scavenging DPPH radicle was compared among hydrolysates,tea polyphenol,butylated hydroxyl anisole (BHA) and vitamin C.The result showed that the RAP had merely parallel power to scavenge DPPH radicle with BHA.Several constituents were purified through Sephadex-G15 with satisfying antioxidation.
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