Abstract

Freshly harvested Acacia arabica pods are successively extracted with ether, ethyl-acetate, ethanol and water. The ethanol extract, which contained 24 compounds reacting with phenol reagents separable by paper chromatography, was chromatographed on polyamide and cellulose columns and gallic acid, m-digallic acid and chlorogenic acid isolated. The aqueous extract contains three phenolic compounds and one of these was identified as robidandiol (7,3,′4,′5′-tetrahydroxy-flavan-3,4-diol).

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