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Phytochemical and Antifungal Profiles of the Seeds of Carica Papaya L.

Author(s): Onkar Singh, M Ali

Phytochemical investigation of the ethanolic extracts of the seeds of Carica papaya L. (Caricaceae) led to the isolation of 2,3,4-trihydroxytoluene (caricaphenyl triol) and glyceryl-1-(2’,3’,4’-trihydroxybenzoyl)-2,3-dioleate (papayaglyceride) as the new phytoconstituents along with the known components glyceryl-1-oleiyl-2,3-dilinoleiate, glyceryl-1-oleiyl-2,3-diarachidate, glyceryl-1-linoleiyl-2,3-distearate, carpaine, glyceryl-1,2-dipalmitate, glyceryl trimyristate, glyceryl tristearate, glyceryl-1,2-dipalmityl-3-myristate, glyceryl-1-oleiyl-2,3-dimyristate, b-sitosterol glucoside, glyceryl-1-oleiyl-3-phosphate, glyceryl-1-oleiyl-2-lauryl-3-phosphate and glyceryl-1,2-distearyl-3- phosphate. The structures of all these compounds have been elucidated by spectral data analysis and chemical reactions. The methanolic extract of the seeds and 2,3,4-trihydroxytoluene (200 μg/ml) showed antifungal activity against Aspergillus flavus, Candida albicans and Penicillium citrinium.

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