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2.
Zhongguo Zhong Yao Za Zhi ; 18(3): 156-7, 191, 1993 Mar.
Artigo em Chinês | MEDLINE | ID: mdl-8352901

RESUMO

The content of baicalin is stable when baicalin is added quantitatively in preparation. The time of extraction of the effective components of SHL with alcohol and the concentration of alcohol have little effect on the content of baicalin. The components can be extracted once, and the content of alcohol is preferably 85%. The pH level has greater influence on the content of baicalin, and should be controlled between 7.0 to 8.0. 0.2% activated carbon is suitable in preparation.


Assuntos
Medicamentos de Ervas Chinesas/química , Flavonoides/análise , Carvão Vegetal , Medicamentos de Ervas Chinesas/normas , Concentração de Íons de Hidrogênio , Controle de Qualidade , Tecnologia Farmacêutica
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