Hydrolysable tannins of Eucalyptus delegatensis wood

Phytochemistry
1970.0

Abstract

Five ellagitannins have been isolated from the wood of Eucalyptus delegatensis by fractionation with Sephadex and characterized by hydrolysis reactions and NMR spectra. They include 2,3- and 4,6(hexahydroxydiphenoyl)-glucose, a di-(hexahydroxydiphenoyl)-glucose known as pedunculagin, and two more complex tannins of incompletely determined structure. Two new chromatographic sprays for distinguishing between ellagitannins have been developed.

DOI： 10.1016/s0031-9422(00)85235-8

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