Chemical investigations of the fresh, undried, ripe and unripe berries of Solanum xanthocarpum collected from the arid areas of Pakistan have led to the isolation of three glyco bases: solasonine, solamargine and solasurine, apart from an apparently partially hydrolysed glyco base. The solasodine content was noted as 0.75% and 1.7% (on dry weight basis) in ripe and umipe berries, respectively. From the non-alkaloidal constituents, the galactoside of {j-sitosterol and two phenolic substances identified as the methyl ester of 3,4-dihydroxycinnamic acid (methyl caffeate) and 3,4dihydroxycinnamic acid (caffeic acid) have been isolated.
B S SIDDIQUI ,S SIDDIQUI ,S FAIZI ,
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