Chemical constituents from the radix of Curcuma wenyujin.

Phytochemical study on the ethanol extract of the radixes of Curcuma wenyujin Y. H. Chen et C. Ling led to the isolation of three new compounds curcuminol F (1) curcuminol G (2) and wenyujinoside (3) and a known compound aurantiamide (4). Their structures were elucidated on the basis of extensive spectroscopic analysis.