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Acylated flavonol glycoside from Psidium gauijava L. seeds
H N Michael1, J Y Salib, M S Ishak
1Chemistry of Tanning Materials and Proteins Department, National Research Centre, Dokki, Cairo, Egypt.
Die Pharmazie
|February 4, 2003
Abstract:
Ten phenolic and flavonoid compounds including one new acylated flavonol glycoside were isolated from Psidium gauijava seeds. The structures of the new compound quercetin-3-O-beta-D-(2"-O-galloyl glucoside)-4'-O-vinylpropionate and of the known compounds were elucidated by different chemical and physical methods, 1H- and 13C NMR spectral analysis.