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

Ma, L.; Tang, J.-y.; Lu, Z.-l.; Liao, Q.-w.; Xiao, X.-h.; Zhao, X.-j.; Jin, C.

Zhongguo Zhong Yao Za Zhi 31(10): 804-806

2006

ISSN/ISBN: 1001-5302
PMID: 17048659
Document Number: 599284
To develop a quantitative method for determination of the total organic acids and salicyclic acid in the extract of Radix Isatidis. The total organic acids were determined by acid-base titration and the salicylic acid was determined by HPLC. 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. The method can control the quality of this extract effectively and accurately.

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