Asr. Anjaneyulu et al., CHEMICAL EXAMINATION OF PERGULARIA-EXTENSA NE-BR, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 37(3), 1998, pp. 318-320
The hexane extract of the whole plant Pergularia extensa N.E. Br. furn
ishes a new triterpene ester, lupeol-3 beta-trans-crotonate 1 along wi
th the acetates of alpha-amyrin, beta-amyrin, lupeol, oleanolic acid,
a mixture of alpha- and beta-amyrins and beta-sistosterol.