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PMR Assay of Natural Products in Pharmaceuticals: II Assay of Khellin and Simultaneous Detection and Determination of Visnagin

 

作者: M.M. A. Hassan,   ElsayedA. Aboutabl,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1979）
卷期: Volume 12, issue 5  

页码: 351-363

 

ISSN:0038-7010

 

年代: 1979

 

DOI:10.1080/00387017908069162

 

出版商: Taylor & Francis Group

 

关键词: Khellin;PMR spectroscopic analysis in bulk drug;tablets and injectables;PMR spectroscopy;analysis;khellin in bulk drug;tablets and injectables;Visnagin;PMR spectroscopic analysis

 

数据来源: Taylor

 

摘要:

A PMR method for the quantitative determination of khellin in bulk drug, tablets and injectables is presented. The determination is based on the integration of the 5-and 8-methoxyprotons of khellin relative to that of the methylprotons of acetanilide. The method is rapid, accurate and precise, with standard deviations of ± 0.76% in synthetic mixtures and ± 0.94% in tablets and injectables respectively. It furnishes a specific means of identification of khellin as well of the simultaneous detection and determination of the less potent 8-demethoxy analoge, visnagin.

 

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