%0 Journal Article
%T Alliuocide A: a new antioxidant flavonoid from Allium cepa L
%A Gamal A. Mohamed
%J Phytopharmacology
%D 2013
%I 
%X Re-investigation of the EtOAc fraction of the dried outer scales ofAllium cepa L. afforded one new flavonoid; alliuocide A (6), together with five known compoundds. Their structures were established by UV, IR, 1D (1H and 13 C), and 2D (1H-1H COSY, HMQC and HMBC) NMR, in additio n to mass spectroscopy and comparison with literature data. All the isolated compounds were tested for their antioxidant activity using DPPH assay. Compounds 3,5 and 6 showed high antioxidant activeity, while 1,2, and 4 had moderate activity.
%K Allium cepa L.
%K alliuocide A
%K antioxidant
%K DPPH
%U http://inforesights.com/phytopharmacology/files/pp4v2i3.pdf