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Biomed Chromatogr. 2011 Jun;25(6):641-5. doi: 10.1002/bmc.1494. Epub 2010 Sep 15.

Influence of Moringa oleifera on pharmacokinetic disposition of rifampicin using HPLC-PDA method: a pre-clinical study.

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  • 1Division of Molecular Bioprospection, Central Institute of Medicinal and Aromatic Plants, CSIR, Lucknow, India. a.pal@cimap.res.in


The influence of active fraction isolated from pods of an indigenous plant, Moringa oleifera (MoAF) was studied on the pharmacokinetic profile of the orally administered frontline anti-tuberculosis drug rifampicin (20 mg/kg b.w.) in Swiss albino mice. The antibiotic rifampicin alone and in combination with MoAF (0.1 mg/kg b.w.) was administered orally and heparanized blood samples were collected from the orbital plexus of mice for plasma separation at 0, 1, 2, 3, 4 and 5 h, post treatment. Plasma rifampicin concentration, pharmacokinetic parameters and drug metabolizing enzyme (cytochrome P-450) activity were determined. The pharmacokinetic data revealed that MoAF-treated animals had significantly increased rifampicin plasma concentration, C(max), K(el), t(½(a)), t(½(el)), K(a) and AUC as well as inhibited rifampicin-induced cytochrome P-450 activity. In conclusion, the result of this study suggested that the bioavailability-enhancing property of MoAF may help to lower the dosage level and shorten the treatment course of rifampicin.

Copyright © 2010 John Wiley & Sons, Ltd.

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