The first chemical investigation on Cardiospermum halicacabum L. growing in Vietnam led to the isolation and structural determination of nine flavonoid compounds, including quercetin 3-O-β-D-glucoside, quercetin 3-O-α-Lrhamnoside, quercetin, kaempferol 3-O-α-L-rhamnoside, kaempferol, apigenin 7-O-β-D-glucuronide butyl ester, apigenin 7-O-β-D-glucuronide methyl ester, apigenin, and luteolin. |