Determination of Conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS

QIU Qin1; ZHEN Han-shen1; XIAO Cong3; HUANG Xiao-qiu1

doi:10.13422/j.cnki.syfjx.2010.05.041

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Determination of Conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS

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- Determination of Conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 16, Issue 5, Pages: 54-56(2010)
- 作者机构：
  
  1. 广西中医学院
  2. 成都中医药大学
  3. 广西桂林药检所
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.2010.05.041
  CLC： R284
- Published：2010
- 稿件说明：
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[1]丘琴,甄汉深,肖聪,黄小秋.薄层扫描法测定广西匙羹藤中牛弥菜醇A的含量[J].中国实验方剂学杂志,2010,16(05):54-56.

QIU Qin1, ZHEN Han-shen1, XIAO Cong3, et al. Determination of Conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(5): 54-56.
[1]丘琴,甄汉深,肖聪,黄小秋.薄层扫描法测定广西匙羹藤中牛弥菜醇A的含量[J].中国实验方剂学杂志,2010,16(05):54-56. DOI： 10.13422/j.cnki.syfjx.2010.05.041.

QIU Qin1, ZHEN Han-shen1, XIAO Cong3, et al. Determination of Conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(5): 54-56. DOI： 10.13422/j.cnki.syfjx.2010.05.041.

摘要

目的:采用薄层扫描法测定广西匙羹藤Gymnema sylvestre（Retz.）Schult中牛弥菜醇A的含量。方法:使用硅胶H板

展开剂为苯-乙酸乙酯-甲醇（10∶3∶5）

5%香草醛硫酸溶液显色

于105℃加热至斑点清晰

在200nm～800nm范围内进行扫描

检测波长538nm

参比波长700nm。结果:牛弥菜醇A的线性范围为1.025～6.150μg

平均加样回收率为98.84%

RSD=2.02%（n=6）

匙羹藤中牛弥菜醇A的含量为2.08%。结论:该法简便、灵敏、准确性高

重复性好

可为匙羹藤药材的定性鉴别和含量测定提供科学依据。

Abstract

Objective:To determine the content of conduriol A in Guangxi Gymnema sylvestre（Retz. ）Schult by TLCS. Method:Silica H thin layer plate was used; the developer reagent was benzene:ethyl acetate:methanol （10∶ 3∶ 5）

the color reagent was 5% vanillin sulfate solution. The plate was at heating on 105 ℃

when the spot was clear; the detection wavelength was 538 nm and the reference wavelength was at 700 nm. Result: The conduriol A was linear in range of 1. 025 ～ 6. 150 μg; the average recovery was 98. 84%

RSD = 2. 02% （n = 6）. The average content of conduriol A was 2. 08% in was simple

sensitive

accurate and had good reproducibility. Conclusion: The method can be used the identification and determination method of Guangxi Gymnema Sylvestre（ Retz. ） Schult and qualitatively.

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