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Effects of fructus psoraleae extract on the intestinal absorption kinetics of geniposide and geniposidic acid in rat



Effects of fructus psoraleae extract on the intestinal absorption kinetics of geniposide and geniposidic acid in rat



Molecules 19(6): 7557-7567



Cortex Eucommia has been used as a kidney-tonifying herbal medicine with a long history of compatibility with Fructus Psoraleae. Geniposide (GP) and geniposidic acid (GPA) are the two main chemical components in Cortex Eucommia. In the present study, the effects of Fructus Psoraleae extract (FPE) on intestinal absorption kinetics of GP and GPA in rat were investigated. Twenty four male Sprague-Dawley rats were randomly assigned into four groups which were treated with GP, GPA, GP mixed with FPE and GPA mixed with FPE, respectively, by in situ intestinal perfusion for 3 h. The samples of intestinal perfusion solutions were collected every 30 min, and analyzed by ultra high performance liquid chromatography (UPLC). The curves of time and residual quantities of GP and GPA (lnx) in the intestinal perfusion solution and the cumulative absorption rate were obtained. The results showed that FPE exhibited different effects on the intestinal absorption of GP and GPA in rat: it increased the intestinal absorption of GP (p<0.05), while demonstrated no significant effect on the absorption of GPA.

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Accession: 052867954

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PMID: 24914900

DOI: 10.3390/molecules19067557


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