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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

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.
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