2.3 Determination of antioxidant capacity.
Superoxide dismutase (SOD), catalase (CAT), ester oxygenase (LOX), glutathione peroxidase (GSH-Px), polyphenol oxidase (PPO), peroxidase (POD), ascorbate peroxidase (APX), glutathione (GSH), proline (Pro), malondialdehyde (MDA), vitamin e (VE), and lipid peroxidation (LPO), which were measured using the commercial kits from Nanjing Jiancheng Bioengineering Institute (Nanjing, China).