“一测多评”法测定甘草中6种有效成分含量  被引量:26

Determination of Six Active Ingredients in Gycyrrhizae Radix et Rhizoma by Quantitative Analysis of Multi-Components with a Single-Marker

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作  者:刘香南[1] 李明珠[1] 尚晓娜[1] 宋平顺 赵建邦 

机构地区:[1]兰州大学药学院,兰州730000 [2]甘肃省食品药品检验所,甘肃省中药品质与安全评价工程技术研究中心,兰州730000

出  处:《中国实验方剂学杂志》2013年第24期56-59,共4页Chinese Journal of Experimental Traditional Medical Formulae

基  金:"十一五"国家科技支撑计划项目(2009ZX09308-001);甘肃省科技重大专项计划项目(1002KFDA048)

摘  要:目的: 采用“一测多评”法测定甘草中6种成分的含量。方法: 采用HPLC测定甘草中6种成分的含量,流动相乙腈(A)-0.1%磷酸水溶液(B)梯度洗脱(0-20 min,90%-68% B;20-45 min,68%-30% B;45-75 min,30%-5% B),检测波长(0 min,275 nm;32 min,250 nm;33.5 min,300 nm;34.5 min,360 nm;53 min,280 nm;55 min,270 nm;57.5 min,265 nm)。以甘草酸为内标物,测定与甘草苷、甘草素、异甘草素、甘草次酸、甘草查尔酮A的相对校正因子,计算甘草中6种成分含量,并比较“一测多评”法的计算值与外标法实测值的相似度。结果: “一测多评”法和外标法测得的甘草苷、甘草素、异甘草素、甘草查尔酮A及甘草次酸的含量相似度均为0.999 9,“一测多评”法的计算值与外标法的实测值间无显著性差异。结论: 建立的“一测多评”法适用于甘草中6种有效成分的含量测定,相对校正因子可信。Objective: To establish quantitative analysis of multi-components with a single-marker(QAMS) for determining contents of six ingredients from Gycyrrhizae Radix et Rhizoma. Method: Contents of six ingredients from Gycyrrhizae Radix et Rhizoma were determined by HPLC,mobile phase of acetonitrile(A)-0.1% phosphoric acid solution(B) with a gradient elution program(0-20 min,90%-68% B;20-45 min,68%-30% B;45-75 min,30%-5% B),detection wavelength(0 min,275 nm;32 min,250 nm;33.5 min,300 nm;34.5 min,360 nm;53 min,280 nm;55 min,270 nm;57.5 min,265 nm).With glycyrrhizic acid as a internal standard,relative correlation factors(RCF) of liquiritin,liquiritiyenin,isoliquiritiyenin,glycyrrhetinic acid and licochalcone A to glycyrrhizic acid were calculated,contents of these six ingredients were determined by the external standard method and QAMS,respectively. Result: These two methods did not show significant difference in assay results of contents of these six ingredients with similarity of 0.999 9. Conclusion: QAMS could be used for quality control of Gycyrrhizae Radix et Rhizoma.

关 键 词:“一测多评”法 高效液相色谱法 甘草 相对校正因子 

分 类 号:R284.1[医药卫生—中药学] R917[医药卫生—中医学]

 

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