The constituents from aerial part of Cayratia albifolia and its anti-RA activities in vitro were studied.The ethanol extract of C.albifolia was isolated and identified by various chromatographic techniques and spectroscopy methods.Twenty compounds were isolated and elucidated as stigmastane-3,6-dione(1),sitostenone(2),β-sitosterol(3),daucosterol(4),betulinic acid(5),resveratrol(6),(E)-resveratrol 3-O-β-glucoside(7)and(Z)-resveratrol 3-O-β-glucoside(8),1H-indole-3-carboxylic acid(9),(3S,5R,6S,7E)-megastigma-7-ene-3,5,6,9-tetrol(10),ethylβ-D-...