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山楂叶及其提取物中2''-O-鼠李糖牡荆素和牡荆素的含量测定

陈佳, 宋少江*, 宋宁   

  1. 沈阳药科大学中药学院, 辽宁 沈阳 110016
  • 收稿日期:2005-09-23 修回日期:2006-02-10 出版日期:2006-03-15 发布日期:2006-03-15
  • 通讯作者: 宋少江*

Simultaneous Determination of 2''-O-rhamnosyl Vitexin and Vitexin in Chinese Hawthorn Leaf and Its Extract by RP-HPLC

CHEN Jia, SONG Shao-jiang*, SONG Ning   

  1. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
  • Received:2005-09-23 Revised:2006-02-10 Online:2006-03-15 Published:2006-03-15
  • Contact: SONG Shao-jiang*

摘要: 目的 建立对山楂叶及其提取物中有效成分2''-O-鼠李糖牡荆素和牡荆素的含量同时进行测定的方法。方法 应用反相高效液相色谱法同时测定山楂叶及其提取物中2''-O-鼠李糖牡荆素和牡荆素的含量。以C18柱作为色谱柱, 四氢呋喃-乙腈--磷酸(30:5:125:0.1)为流动相, 检测波长为270 nm, 按外标法定量。结果 线性范围分别为0.106 4 μg2.128 0 μg(相关系数r = 0.9991)0.139 22.784 0 μg (r = 0.9993)。在山楂叶药材中, 2''-O-鼠李糖牡荆素和牡荆素的平均加样回收率为99.21%(RSD = 2.80%, n = 6)100.56%(RSD = 2.84%, n = 6); 重复性试验的RSD分别为2.74%(n = 6)1.99%(n = 6)结论 本方法简便, 分离重现性好,灵敏度高, 为山楂叶及其提取物中2''-O-鼠李糖牡荆素和牡荆素的含量同时测定提供了可行的含量测定方法, 为山楂叶的质量标准提供了测定依据。

关键词: 山楂叶, 山楂叶, 山楂叶, 2''-O-鼠李糖牡荆素, 2''-O-鼠李糖牡荆素, 2''-O-鼠李糖牡荆素, 牡荆素, 牡荆素, 牡荆素, 高效液相色谱法, 高效液相色谱法, 高效液相色谱法

Abstract: Aim To establish an RP-HPLC method for simultaneous determination of 2''-O-rhamnosyl vitexin and vitexin in Chinese hawthorn leaf and its extract. Methods Chromatography was carried out on Kromasil C18 column (250 mm × 4.6 mm, 5 μm), using THF-CH3CN-H2O-H3PO4 (30:5:125:0.1) as the mobile phase at a flow rate of 1.0 mL·min-1. The UV detection wavelength was 270 nm. Results The linear range of 2''-O-rhamnosyl vitexin and vitexin were 0.106 4 μg -2.1280 μg (r = 0.9991) and 0.1392 μg - 2.7840 μg (r = 0.9993), respectively. The average recoveries of 2''-O-rhamnosyl vitexin and vitexin in Chinese hawthorn leaf were 99.2% (RSD = 2.80%, n = 6) and 100.6% (RSD = 2.84%, n = 6), respectively. Conclusion This method is reproducible, simple, precise, and rapid for simultaneous determination of 2''-O-rhamnosyl vitexin and vitexin in Chinese hawthorn leaf and its extract, thereby providinge the basis for quality specification of Chinese hawthorn leaf and its extract.

Key words: Chinese hawthorn leaf, Chinese hawthorn leaf, 2''-O-rhamnosyl vitexin, 2''-O-rhamnosyl vitexin, vitexin, vitexin, RP-HPLC, RP-HPLC

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