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棉籽中游离棉酚的含量测定
黄永林;阮俊;杨雄辉;黄贤清   
1.广西壮族自治区中国科学院广西植物研究所;2.广西壮族自治区中国科学院广西植物研究所 广西桂林541006;3.广西桂林541006
摘要:
用紫外分光光度法测定棉籽中游离棉酚的含量。脱除棉酚的棉籽乙醚提取物经石油醚和 75 %乙醇分离和纯化后 ,用 0 .5 %对氨基苯磺酸显色来检测棉籽中游离棉酚的含量 ,结果表明 ,该方法具有简便、重现性好、回收率高达 97%以上等优点 ,可作为棉籽中游离棉酚质量控制方法。
关键词:  棉籽    棉酚    游离棉酚    紫外分光光度法
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