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Iridoids from Teucrium yemense
Essam, Abdel-Sattar The Pharmaceutical Society of Korea 1998 Archives of Pharmacal Research Vol.21 No.6
The aerial parts of Teucrium yemense yielded two iridoid glycosides. Their structures were elucidated by spectral means as teucardosid and 8-O-acetylharpagid.
Cardenolides and β-Sitosterol Glucoside from Pergularia tomentosa L.
Ahmed A. Gohar,M. M. El Olemy,Essam Abdel Sattar,M. El Said,M. Niwa 한국생약학회 2000 Natural Product Sciences Vol.6 No.3
The aerial parts of Pergularia tomentosa L. afforded three cardenolides, desglucouzarin, coroglaucigenin and uzarigenin, in addition to β-sitosterol glucoside. The isolated compounds were identified by physical and spectral means, including IR, UV, [α]_D 1D-, 2D-NMR and FAB-MS experiments. The cardenolides, ghalakinoside, calactin and pergularoside previously reported from roots, were also identified in the aerial parts.