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草苁蓉与肉苁蓉中总苷的含量测定比较研究

Lishizhen Medicine and Materia Medica Research(2017)

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Abstract
目的 建立从草苁蓉和肉苁蓉中提取总苷的含量测定方法,并对草苁蓉和肉苁蓉中的总苷含量进行测定.方法 选择红景天苷作为对照品,使用香草醛-高氯酸溶液进行显色反应,用分光光度法在523nm波长下对草苁蓉和肉苁蓉中总苷的含量进行测定.结果 红景天苷在0.05133~0.2567mg·ml-1线性关系良好,回归方程Y=1.611X +0.0573(r=0.9992),草苁蓉的平均回收率为99.68%,RSD 1.68%,肉苁蓉的平均回收率为101.18%,RSD为0.94%.结论 该方法精密度较高、简便、稳定性好,可用于草苁蓉和肉苁蓉中总苷含量的测定.
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