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Study on Antioxidant Activity of Pigment in Black Glutinous Corncob
Author(s): 
Pages: 30-33
Year: Issue:  6
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  黑糯玉米芯色素抗氧化活性;
Abstract: 以大豆色拉油为材料,用丙二醛法研究了黑糯玉米芯色素(BGCP)的浓度、酸度、溶剂、铁离子对油脂抗氧化性的影响;用1,1-二苯-2-苦肼法(DPPH法)对BGCP的抗氧化活性进行了总体评价.结果表明:BGCP对大豆色拉油的抗氧化效果优于BHA、PG这2种常用的抗氧化剂,低于BHT的抗氧化效果,其抗氧化的最适浓度为0.04%,最适pH为6,用水作为溶剂的抗氧化活性比用乙醇和CCl4好,在铁离子存在的情况下,也表现很强的抗氧化性;BGCP的抗氧化能力是BHA的182.0%,相当于Vc的79.2%.
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