First phytochemical studies of japecanga (Smilax fluminensis) leaves: flavonoids analysis

This is the first chemical study of the antiradical potential of Smilax fluminensis Steud., Smilacaceae, leaves crude extract and fractions and the elucidation of two structurally isolated flavonoids. Quercetin-3-O-α-L-rhamnopyranoside (1-6)-O-β-D-glucopyranoside and quercetin-3-O-β-L-galactopyranoside were elucidated by spectrometric methods (1H and 13C NMR and mass)