MOESM1 of Discriminating from species of Curcumae Radix (Yujin) by a UHPLC/Q-TOFMS-based metabolomics approach

Additional file 1. Mass spectra in the positive ionization mode and chemical structures of (A) curcumenol and (B) zederone, (C) neocurdione, (D) curdione and (E) curzerenone.