香花枇杷和普通枇杷叶片抗氧化活性成分的比较
Acta Horticulturae Sinica(2009)
Abstract
测定香花枇杷和普通枇杷各萃取部的抗氧化活性,并测定具较强抗氧化活性的萃取部黄酮、总酚的含量,结果表明香花枇杷叶片的抗氧化活性高于普通枇杷。两种枇杷具有抗氧化活性萃取物中的黄酮和总酚含量均与FRAP值呈极显著正相关关系,与DPPH的IC50呈极显著负相关关系,即黄酮、总酚的含量与总还原能力及自由基清除能力成正相关。同时试验还表明大孔树脂AB-8具有较好的富集黄酮和多酚的效果。
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Key words
antioxidant activity,fragrant loquat,loquat,total phenolics,flavonoids
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