Abstract
Abstract The seeds of Albizzia lebbek Benth. from Madhya Pradesh have been found to contain a mixture of saponins which on hydrolysis gives echinocystic acid (I), oleanolic acid (II) as major sapogenins and an unidentified sapogenin (not albigenin) in traces. The albigenic acid (III) earlier reported to be present has been shown to be an alcoholic hydrochloric acid isomerisation product of echinocystic acid.
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