HPLC法测定当归藤中儿茶素的含量 |
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引用本文: | 卢森华 刘 鼎 李怡萱 等. HPLC法测定当归藤中儿茶素的含量[J]. 中国医药科学, 2014, 0(1): 117-119 |
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作者姓名: | 卢森华 刘 鼎 李怡萱 等 |
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作者单位: | [1]广西壮族自治区玉林食品药品检验所,广西玉林537001 [2]广西中医药大学药学院,广西南宁530001 |
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基金项目: | 广西自然科学基金创新研究团队项目“中药新药基础研究”(2011GXNSFF018006);广西中医药管理局中医药自筹经费项目(gzzc1120);广西中药药效研究重点实验室自主研究课题(10-046-04-Z8). |
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摘 要: | 目的建立当归藤中儿茶素的含量高效液相色谱法。方法采用HPLC法进行测定,色谱柱为C18柱(5μm,4.6×250mm),流动相为甲醇-0.5%冰乙酸溶液(15:85),检测波长为280nm。结果儿茶素进样量在0.26~1.35μg之间与峰面积值呈现良好的线性关系,r=0.9997,平均回收率为98.26%,RSD为2.6%(n=6)。结论所建立的含量测定方法可行,质量可控,稳定性良好。
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关 键 词: | 当归藤 HPLC 儿茶素 |
Content determination of catech in the Embelia parviflora Wall. by HPLC |
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Affiliation: | LU Senhua' LIU Ding LI Yixuan2 NONG If tHEN ron 1.Guangxi Zhuang Autonomous Region Institute for Food and Drug Control,Yulin 537001,China;2.Facuhy of Pharmacy, Guangxi University of Chinese Medicine,Nanning 530001,China |
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Abstract: | Objective To establish a method for the content determination of Catech in the Embelia parviflora Wall by HPLC. Methods HPLC was performed on an C18 column(5 μ m,4.6 x 250mm) using methanol-0.1% H3PO4(15 : 85) as the mobile phase under the detection wavelength of 280nm determinate scutellarin of barbata. Results The linear range of scutellarin was 0.26 - 1.35 μg,the mean recovery was 98.26% with RSD 2.6%(n=6). Conclusion The method of determination is feasible formulated granules could be control lable in quality and shows good stability. |
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Keywords: | Embelia parviflora Wall. HPLC,Catechin |
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