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鹿血低聚肽清除自由基活性的研究 被引量:3

Study on Activities for Scavenging Free Radicals of Deer Blood Oligopeptides
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摘要 分别采用DPPH·法和邻二氮菲-Fe2+氧化法测定鹿血低聚肽清除DPPH·和·OH自由基活性能力。以还原型谷胱甘肽和抗坏血酸为对照,在优选的反应体系中,鹿血低聚肽、谷胱甘肽和抗坏血酸对·OH的半数抑制质量浓度(IC50)分别为4.520 mg/mL,0.357 mg/mL和0.100 mg/mL;对DPPH·的IC50值分别为2.520 mg/mL,0.030 mg/mL和0.003mg/mL。结果表明,鹿血低聚肽具有一定的清除自由基活性,研究结果为鹿血低聚肽的应用提供一定参考。 DPPH· and Phenanthroline-Fe2+ oxidation assays were applied to evaluate the capacities for scavenging flee radicalsof deer blood oligopeptides. Under the optimum conditions using glutathione and ascorbic acid as the controls, the values ofhalf-inhibitoryconcentration (IC50) of deer blood oligopeptides, glutathione and ascorbic acid for .OH were 4.520 mg/mL, 0.357mg/mL and 0.100 mg/mL, respectively, and those for DPPH- were 2.520 mg/mL, 0.030 mg/mL and 0.003 mg/mL, respectively. Theresults showed that deer blood oligopeptides had potentially exhibited activities for scavenging free radicals. The resultswill provide some references for the application of deer blood oligopeptides.
出处 《食品工业》 CAS 北大核心 2014年第6期172-175,共4页 The Food Industry
基金 中科院"百人计划"项目
关键词 鹿血低聚肽 清除自由基 ·OH DPPH· deer blood oligopeptides scavenging free radicals ·OH DPPH.
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