[Determination of total organic acids and salicylic acid in extract of Radix isatidis]

Zhongguo Zhong Yao Za Zhi. 2006 May;31(10):804-6.
[Article in Chinese]

Abstract

Objective: To develop a quantitative method for determination of the total organic acids and salicyclic acid in the extract of Radix Isatidis.

Method: The total organic acids were determined by acid-base titration and the salicylic acid was determined by HPLC.

Result: It was shown that contents of total organic acids and salicylic acid in the extract of Radix Isatidis were 13.0% and 0.22%, respectively.

Conclusion: The method can control the quality of this extract effectively and accurately.

Publication types

  • English Abstract
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Carboxylic Acids / analysis*
  • Chromatography, High Pressure Liquid / methods
  • Drugs, Chinese Herbal / chemistry*
  • Drugs, Chinese Herbal / isolation & purification
  • Isatis / chemistry*
  • Plant Roots / chemistry
  • Plants, Medicinal / chemistry*
  • Quality Control
  • Salicylic Acid / analysis*
  • Technology, Pharmaceutical

Substances

  • Carboxylic Acids
  • Drugs, Chinese Herbal
  • Salicylic Acid