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Study on intestinal absorption of ingredients from different compatibilities of Shaoyao Gancao decoction / 中国中药杂志
Article in Chinese | WPRIM | ID: wpr-279249
Responsible library: WPRO
ABSTRACT
To study the compatible mechanisms and compatible proportion of Shaoyao Gancao decoction, the intestinal absorption of main ingredients in Shaoyao Gancao decoction SG11 (Baishao-Zhigancao 1 1) , SG31 (Baishao-Zhigancao 3 1), Baishao water decoction S and Zhigancao (G) were investigated and compared using in vitro everted intestinal sac model and in situ single pass intestinal perfusion (SPIP) model. The concentration of paeoniflorin (PF), liquiritin (LQ) and mono-ammonium glycyrrhizinate (GL) in test samples and samples of intestinal sac and intestinal perfusion was determined by HPLC. The intestinal absorptive amount and absorption parameters were calculated. Results showed that in the everted intestinal sac model, three ingredients could be absorbed by duodenum, jejunum and ileum, and the absorption in the jejunum was best for all 3 ingredients. The absorption rate of three ingredients in SG11 was significantly higher than that in single decoction (P < 0.05), but had no significant difference compared with SG31. In SPIP model, the absorption rate constant K(a), the apparent absorption coefficient P(app) and the absorption rate of three ingredients in SG11 were significantly higher than those in single decoction. Parameters of PF and GL in SG11 were significantly higher than those in SG31, but had no differences of LQ. It proved that the compatibility of Baishao and Zhigancao could improve the intestinal absorption of PF, LQ and GL. The absorption of each ingredient in SG11 was better than that in SG31.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Rats / Male / Drugs, Chinese Herbal / Pharmacokinetics / Chromatography, High Pressure Liquid / Rats, Sprague-Dawley / Intestinal Absorption / Intestines / Animals / Metabolism Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2015 Type: Article
Full text: Available Index: WPRIM (Western Pacific) Main subject: Rats / Male / Drugs, Chinese Herbal / Pharmacokinetics / Chromatography, High Pressure Liquid / Rats, Sprague-Dawley / Intestinal Absorption / Intestines / Animals / Metabolism Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2015 Type: Article