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Determination of glucosamine hydrochloride and related substances in glucosamine and indometacin enteric-coated capsules by HPLC-ELSD / 中国生化药物杂志
Chinese Journal of Biochemical Pharmaceutics ; (6): 194-196, 2016.
Article in Chinese | WPRIM | ID: wpr-496383
ABSTRACT
Objective To establish an high performance liquid chromatography-evaporative light scattering detector (HPLC-ELSD) method for determination of glucosamine hydrochloride and its related substances in glucosamine and indometacin enteric-coated capsules.Methods Separation was carried out on a Inertsil C8 Column (250 mm ×4.6 mm,5μm) with a mobile phase composed of acetonitrile-water(70∶30) at a flow rate of 1.0 mL/min and the column temperature was 25℃.Results The linear ranges of calibration curve was 25 -312.5 μg/mL(r=0.9991, n=6).The average recovery was 98.0%, and the relative standard deviation was 1.3%( n =5 ) .The glucosamine hydrochloride was stable with acid destruction, but unstable with alkali, heat and strong light destruction.Conclusion The method is simple, accurate and reproducible for determination of glucosamine hydrochloride and related substances.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Biochemical Pharmaceutics Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Biochemical Pharmaceutics Year: 2016 Type: Article