PJB-2002-41
FLAVONOID PATTERNS IN CONVOLVULUS L., (CONVOLVULACEAE) SPECIES FROM MOROCCO
YUSUF MENEMEN, CHRISTINE A. WILLIAMS* AND STEPHEN L. JURY
Abstract
This study was undertaken to document the distribution of chemical components and determine whether phytochemical characters support the delimitation of the taxa in the genus Convolvulus L., from Morocco. Twenty taxa from the genus were investigated for their flavonoid aglycone constituents. The flavonols quercetin, kaempferol and isorhamnetin, the flavone luteolin and the hydroxycoumarin cichoriin were identified. It was seen that the aglycone pattern is useful for the delimitation of some species in the genus and correlate with morphological features. The flavonoid glycosides identified from Convolvulus mazicum were isorhamnetin 3-glucoside, quercetin 3-glucoside and 3-galactoside and luteolin 5-glucoside.
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