Fig. 2From: Integrative physiological and metabolic traits reveal the mechanisms of chamomile flowers in response to nicotine stressEffects of different concentrations of nicotine treatment on antioxidant oxidase activity and malondialdehyde content in chamomile leaves. The enzymatic activity of superoxide dismutase (SOD) (A); the enzymatic activity of peroxidase (POD) (B); the enzymatic activity of catalase (CAT) (C); malondialdehyde (MDA) content (D)Back to article page