Vanillic acid 4-O-beta-D-(6'-O-galloyl) glucopyranoside and other constituents from the bark of Terminalia macroptera Guill.et Perr

A new phenolic glucoside gallate, vanillic acid 4-O-beta-D-(6'-O-galloyl) glucopyranoside (1) was isolated from the bark of Terminalia macroptera Guill.et Perr., together with 3,3',4'-tri-O-methylellagic acid (2) and two triterpene glucopyranosyl esters, 24-deoxysericoside (3) and che...

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Bibliographic Details
Published in:Natural product letters 2001, Vol.15 (1), p.35-42
Main Authors: Conrad, J, Vogler, B, Klaiber, I, Reeb, S, Guse, J H, Roos, G, Kraus, W
Format: Article
Language:English
Subjects:
Bacillus subtilis - drug effects
Hemolysis - drug effects
Hydrolyzable Tannins
Microbial Sensitivity Tests
Molecular Structure
Rosales - chemistry
Spectrum Analysis
Tannins - chemistry
Tannins - isolation & purification
Tannins - pharmacology
Vanillic Acid
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Summary:A new phenolic glucoside gallate, vanillic acid 4-O-beta-D-(6'-O-galloyl) glucopyranoside (1) was isolated from the bark of Terminalia macroptera Guill.et Perr., together with 3,3',4'-tri-O-methylellagic acid (2) and two triterpene glucopyranosyl esters, 24-deoxysericoside (3) and chebuloside II (4). Compounds 2-4, not described previously for this plant, showed antimicrobial activities against Bacillus subtilis, while 3 and 4 possessed haemolytic properties. In both assays 1 was found to be inactive.
ISSN:1057-5634