Fig. 1From: Optimization and in vitro antiproliferation of Curcuma wenyujin’s active extracts by ultrasonication and response surface methodologyHPLC chromatograms of a mixed standards of the four volatile components and b the four components in Curcuma wenyujin: (1) curdione; (2) furanodienone; (3) curcumol and (4) germacroneBack to article page