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Abstract Title:

Anti-HIV triterpene acids from Geum japonicum.

Abstract Source:

J Nat Prod. 1996 Jul;59(7):643-5. PMID: 8759159

Abstract Author(s):

H X Xu, F Q Zeng, M Wan, K Y Sim

Article Affiliation:

Department of Chemistry, National University of Singapore, Singapore.

Abstract:

The methanol extract from the whole plant of Geum japonicum was found to inhibit the human immunodeficiency virus (HIV-1) protease. Through bioassay-directed fractionation of the extract, a new triterpene acid along with five known triterpene acids, ursolic acid, epipomolic acid, maslinic acid, euscaphic acid, and tormentic acid, were isolated. The structure of the new compound was determined by spectral means including 1H-1H COSY, HMQC, HMBC, and NOE experiments to be 2 alpha, 19 alpha-dihydroxy-3-oxo-12-ursen-28-oic acid (1). Of these compounds, 1, ursolic acid, and maslinic acid showed potent inhibitory activity against HIV-1 protease.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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