Investigation of the active constituents of Portulaca oleraceae L. (Portulacaceae) growing in Jordan.

The phytochemical analysis of the fresh aerial parts of Portulaca oleracea (Portulacaceae), growing in Jordan, using conventional chromatographic procedures resulted in the isolation of Beta-sitosterol, Beta-sitosterol-glucoside, N,N'-dicyclohexylurea, and allantoin. The last three compounds were isolated for the first time from this plant. The structure elucidation of these compounds was attained by the use of spectral data (UV, IR, MS, 1H-, 13C- and 2D-NMR), X-ray crystallography and by comparison with authentic samples.