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An Acylated Kaempferol Glycoside from Flowers of Foeniculum vulgare and F. Dulce

Author(s): Fathy M. Soliman | Afaf H. Shehata | Amal E. Khaleel | Shahera M. Ezzat

Journal: Molecules ISSN 1420-3049
Volume: 7; Issue: 2; Start page: 245; Date: 2002;
Original page

Keywords: Foeniculum vulgare | F. dulce | acylated kaempferol glycoside | spectroscopy

ABSTRACT
An acylated kaempferol glycoside, namely kaempferol-3-O-α-L-(2”,3”-di-E-pcoumaroyl)-rhamnoside (1) was isolated from the flowers of Foeniculum vulgare Mill. and F. dulce DC. It is thus isolated for the first time from family Apiaceae. In addition, the different organs of both plants afforded six flavonoid glycosides - namely afzelin (kaempferol-3-O-α-L-rhamnoside) (2), quercitrin (3), isorhamnetin-3-O-β-D-glucoside (4), isoquercitrin (5), rutin (6), and miquelianin (quercetin-3-O-β-D-glucuronide) (7). Structure elucidation of the above mentioned flavonoids was achieved by UV, 1H- and 13C-NMR, 1H-1H COSY, HMQC and EI-MS.