RP—HPLC同时测定射干9种活性成分含量

2017-01-24 09:13尤献民邹桂欣邸子真李国信
中国中医药信息杂志 2017年1期
关键词:活性成分射干含量测定

尤献民 邹桂欣 邸子真 李国信

摘要:目的 建立RP-HPLC同时测定射干药材中芒果苷、射干苷、野鸢尾苷、鸢尾黄素、鸢尾甲黄素B、鸢尾甲黄素A、野鸢尾黄素、白射干素及次野鸢尾黄素共9种成分含量的方法。方法 采用LeapsilTM C18色谱柱(100 mm×2.1 mm,3 ?m),流动相为乙腈-0.1%甲酸水溶液梯度洗脱,检测波长265 nm,流速0.5 mL/min,柱温40 ℃。结果 芒果苷、射干苷、野鸢尾苷、鸢尾黄素、鸢尾甲黄素B、鸢尾甲黄素A、野鸢尾黄素、白射干素、次野鸢尾黄素的线性范围分别为0.214 0~2.568 ?g(r=0.999 5)、0.437 0~5.244 ?g(r=0.999 3)、0.460 0~5.520 ?g(r=0.999 9)、0.078 40~0.940 8 ?g(r=0.999 6)、0.138 0~1.656 ?g(r=0.999 3)、0.051 00~0.612 0 ?g(r=0.997 5)、0.113 0~1.356 ?g(r=0.999 9)、0.051 63~0.619 6 ?g(r=0.999 8)、0.151 0~1.812 ?g(r=0.999 9),平均加样回收率分别为97.73%、96.81%、97.78%、97.55%、96.86%、98.60%、97.77%、98.04%、97.89%,RSD分别为0.7%、1.1%、2.3%、2.1%、1.3%、1.4%、2.3%、1.6%、1.9%。应用该方法测定了5批射干药材中9种成分的含量。结论 该方法准确、可靠,可为射干药材的质量控制提供参考依据。

关键词:射干;活性成分;反相高效液相色谱法;含量测定

DOI:10.3969/j.issn.1005-5304.2017.01.020

中图分类号:R284.1 文献标识码:A 文章编号:1005-5304(2017)01-0082-05

Simultaneous Determination of Nine Active Ingredients in Belamcandae Rhizoma by RP-HPLC YOU Xian-min, ZOU Gui-xin, DI Zi-zhen, LI Guo-xin (Liaoning Academy of Chinese Medicine, Shenyang 110034, China)

Abstract: Objective To develop an RP-HPLC method for simultaneous determination of mangiferin, tectoridin, iridin, tectorigenin, iristectorigenin B, iristectorigenin A, irigenin, dichotomin and irisflorentin in Belamcandae Rhizoma. Methods Separation was carried out on an LeapsilTM C18 column (100 mm×2.1 mm, 3 ?m) with an isocratic mobile phase consisting of acetonotrile and formic acid at a flow rate of 0.5 mL/min; The detection wavelength was set at 265 nm; the column temperature was 40 ℃. Results The linear ranges of mangiferin, tectoridin, iridin, tectorigenin, iristectorigenin B, iristectorigenin A, irigenin, dichotomin and irisflorentin were 0.214 0– 2.568 ?g (r=0.999 5), 0.437 0–5.244 ?g (r=0.999 3), 0.460 0–5.520 ?g (r=0.999 9), 0.078 40–0.940 8 ?g (r=0.999 6), 0.138 0–1.656 ?g (r=0.999 3), 0.051 00–0.612 0 ?g (r=0.997 5), 0.113 0–1.356 ?g (r=0.999 9), 0.051 63–0.619 6 ?g (r=0.999 8) and 0.151 0–1.812 ?g (r=0.999 9), respectively. The average recoveries were 97.73%, 96.81%, 97.78%, 97.55%, 96.86%, 98.60%, 97.77%, 98.04% and 97.89%, respectively; the relative standard deviations were 0.70%, 1.1%, 2.3%, 2.1%, 1.3%, 1.4%, 2.3%, 1.6% and 1.9%, respectively. This method was used to determine the contents of nine active ingrients in 5 batches of Belamcandae Rhizoma. Conclusion The method is accurate and reliable, which can be used for the quality control of Belamcandae Rhizoma.

Key words: Belamcandae Rhizoma; active ingredients; RP-HPLC; content determination

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