Three known diarylheptanoids, 1,7-diphenyl-5-hydroxy-(1E)-1-heptene, 5
-hydroxy-7-(4-hydroxyphenyl)-1 -phenyl-(1E)-1-heptene and 7-(3,4-dihyd
roxyphenyl)-5-hydroxy- 1-phenyl-(1E)-1 -heptene, were isolated from th
e ethyl acetate extract of Curcuma comosa rhizomes. A phloracetophenon
e glucoside, 4,6-dihydroxy-2- O-(beta-D-glucopyranosyl) acetophenone,
was isolated from the ethyl acetate and n-butanol extracts. This compo
und exhibited choleretic activity in rats. (C) 1997 Elsevier Science L
td.