Eichhornia crassipes (Mart.) Solms is an aquatic weed possessing numerous metabolites. Stigmasterol was isolated in good yield from the ethyl acetate extract of leaves and shoot of dried E. crassipes (Mart.) Solms. This is an attempt to convert a waste source into a resource. The structure of the compound was established on the basis of UV, IR, 1H NMR, 13C NMR, DEPT 45, DEPT 90, DEPT 135, 1H-1HCOSY, HSQC and MS and by compari-son with standard stigmasterol.
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