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Molecules. 2013 Aug 13;18(8):9663-9. doi: 10.3390/molecules18089663.

Three novel xanthones from Garcinia paucinervis and their anti-TMV activity.

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  • 1Yunnan Academy of Tobacco Agricultural Sciences, Yuxi 653100, China.

Abstract

Phytochemical investigations of the leaves of Garcinia paucinervis resulted in the isolation of three new xanthones 1-3 and five known analogues 4-8. Structural elucidations of 1-3 were performed by spectral methods such as 1D and 2D (HMQC, HMBC, and ROESY) NMR spectroscopy, in addition to high resolution mass spectrometry. Compounds 1-3 showed anti-TMV activities, with inhibition rates above 20%, especially for 1, which had a lower IC₅₀ value of 21.4 µM.

PMID:
23945641
[PubMed - indexed for MEDLINE]
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