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PHYTOCONSTITUENTS ISOLATED FROM STEM BARK OF CASSIA FISTULA LINN
Anoop Agnihotri*, Vijender Singh
ABSTRACT
A detailed phytochemical study on the alcoholic extract of stem bark of Cassia fistula Linn. (Fam. Leguminoseae) led to isolation of five compounds. The structures of the five compounds were elucidated on the basis of analysis of spectroscopic data and physicochemical properties as: 1, 4, 5-trihydroxy-6, 7-dimethoxy-3-methyl-9, 10-dioxo-9, 10-dihydroanthracene-2-carboxylic acid [fistulic acid] (CF – 1), 4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-carboxylic acid [rhein] (CF – 2), 4, 5-dihydroxy-9, 10-dioxoanthracene-6-methyl-2- Keywords: fistulic acid, rhein, 6-methyl rhein, (+) catechin, oxyanthroquinone, Cassia fistula, leguminoseae [Download Article] [Download Certifiate] |