Fig. 4
From: The mechanisms of condensed tannins inhibit Pediococcus pentosaceus
Effect of condensed tannins (CTs) on induced oxidative stress in Pediococcus pentosaceus SF11. MIC: minimum inhibitory concentration of CT (1500 mg/L); CK: control; CAT: catalase-treated group (100 U/mL). a Effect of pH on hydrogen peroxide in the CT solution. b Effect of bacteria (De Man–Rogosa–Sharpe (MRS) broth) on hydrogen peroxide in the CT solution. b Effect of bacteria (MRS broth) on hydrogen peroxide in the CT solution. c Intracellular reactive oxygen species (ROS) level. d Intracellular ATP content. “*” means P < 0.05 (at the pH level for a and the treatment level for c). Different uppercase letters indicate significant differences with treatments (P < 0.05), and different lowercase letters indicate significant differences with time (P < 0.05)