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Study on balance of process of alcohol precipitation of ganmaoling granules / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1376-1379, 2016.
Article Dans Chinois | WPRIM | ID: wpr-320850
ABSTRACT
Ganmaoling granule is the first brand of domestic cold medicine sales, but its preparation method and process control parameters are relatively rough. Therefore it is urgent to upgrade the technologies of large varieties of traditional Chinese medicine (TCM). This paper focused on the balance between the remove of impurity and the retention of linarin during the process of alcohol precipitation of Ganmaoling granules. The effects of four factors on the process were investigated via single factor experiments. The results showed that the precipitating period, the initial ethanol concentration and the final ethanol concentration had a great effect on retention of linarin while the initial density of the extract has not. Similarly, the initial ethanol concentration, the final ethanol concentration and the initial extract density have a great effect on the yield of dry extract while the time of alcohol precipitation has not. The parameters of alcohol precipitation of Ganmaoling granules were optimized as 16 h of precipitating period, 95% ethanol as the initial reagent, 70% of the final ethanol concentration, and 1.10 of the initial extract density.

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: China Journal of Chinese Materia Medica Année: 2016 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: China Journal of Chinese Materia Medica Année: 2016 Type: Article