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滤液法和沉淀法测定宁夏枸杞果实醇提物中季铵型生物碱的含量

MA Qian,RAO Jianhua

Northern Horticulture（2015）

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Abstract
以宁夏枸杞为试材,基于季铵型生物碱与雷氏盐的反应原理,采用分光光度法测定宁夏枸杞果实醇提物中季铵型生物碱含量,建立了宁夏枸杞果实醇提物中季铵型生物碱的含量测定方法.结果表明:滤液法与沉淀法的平均回收率分别为97.57％与98.06％,RSD分别为1.02％与1.10％(n=6).由此看出,滤液法与沉淀法用于季铵型生物碱的含量测定,所得结果基本一致,滤液法操作相对简便.
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