Study on alcohol extraction process of Rhizoma Chuanxiong / 中成药
Chinese Traditional Patent Medicine
; (12)1992.
Article
em Zh
| WPRIM
| ID: wpr-681524
Biblioteca responsável:
WPRO
ABSTRACT
Objective: To ascertain the condition for extracting tetramethylpyrazine from Rhizoma Chuanxiong with alcohol. Methods: With the transferring rate of tetramethylpyrazine as index, the optimum extraction condition for the first time was selected by uniform test, and the times of extraction was studied. Results: Taking 80% alcohol as solvent, Rhizoma Chuanxiong was extracted two times with 8 and 6 times volume of alcohol for 2hr and 1.5hr, respectively. In this condition, tetramethylpyrazine could be effectively extracted. Conclusion: The experimental results provided the basis for the ascertainment of extraction process of Rhizoma Chuanxiong preparation.
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Base de dados:
WPRIM
Idioma:
Zh
Revista:
Chinese Traditional Patent Medicine
Ano de publicação:
1992
Tipo de documento:
Article