Fig. 6From: Discriminating from species of Curcumae Radix (Yujin) by a UHPLC/Q-TOFMS-based metabolomics approachPCA/bi-plots of the 33 Curcuma Radix samples constructed using (A) seven chemical markers (a–g) and (B) four unique chemical markers (a–d). (a) curcumin, (b) curcumenone, (c) curcumenol, (d) zederone, (e) neocurdione, (f) curdione and (g) curzerenoneBack to article page