Research Article

Comprehensive Characterization of Extractable Phenolic Compounds by UPLC-PDA-ESI-QqQ of Buddleja scordioides Plants Elicited with Salicylic Acid

Figure 4

Effect of salicylic acid on accumulation levels of hydroxycinnamic acids and flavonoids in plants of Buddleja scordioides. (a) coumaric acid, (b) quinic acid, (c) chlorogenic acid, (d) caffeic acid, (e) sinapic acid, (f) ferulic acid, (g) 4,5-dicaffeoylquinic acid, (h) naringenin, (i) luteolin, (j) apigenin, (k) acacetin, (l) linarin, (m) quercetin, and (n) isoquercitrin. Different ∗ symbols in each graph indicate statistical differences by Tukey test ().