[Study on Quantitative Assay of Chondroitin Sulfate with a Spectrophotometric Method of Azure A]

Overview

Journal Guang Pu Xue Yu Guang Pu Fen Xi

Specialty Chemistry

Date 2003 Sep 5

PMID 12953553

Citations 7

Authors

Gui-Zhen Gao

Qing-Cai Jiao

Yi-Lei Ding

Lei Chen

Affiliations

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Abstract

A simple, accurate and rapid spectrophotmeric method was proposed for the determination of chondroitin sulfate. The method was based on the absorbances of AA-CS complex at 625 nm being in proportion to the chondroitin sulfate concentrations. The linear range was 0-30 micrograms.mL-1 (R = 0.999), and the recovery range was 97.4%-103.8%. The quantities of chondroitin sulfate in different sample were determined in this way.

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