eng Science and Education Publishing Journal of Food and Nutrition Research 2333-1240 2016-07-07 4 6 377 387 10.12691/jfnr-4-6-6 JFNR2016466 article Ya-ya Hu 1 Lu-juan Xing 1 Guang-hong Zhou 1 Wan-gang Zhang wangang.zhang@njau.edu.cn 1 Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China This study was aimed to investigate the protective effects of Jinhua ham peptide extract against oxidative damage to PC12 cells induced by H2O2. Crude peptide C (CPC) presented strong scavenging activities against DPPH radicals in vitro. Exposing PC12 cells to H2O2 reduced the cell viability, the activities of antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px), while increased the cell apoptosis. Incubating cells with different concentrations of CPC (200 and 400 µg/mL) enhanced the cell viability and antioxidant enzyme activities. Intracellular reactive oxygen species (ROS) formation, caspase-3 activity and flow cytometric analysis revealed that CPC attenuated the cell apoptosis induced by H2O2. These cytoprotective effects of CPC on PC12 cells indicate that Jinhua ham extract might possess the ability to eliminate over-produced ROS in human. http://pubs.sciepub.com/jfnr/4/6/6/jfnr-4-6-6.pdf Jinhua ham antioxidant activity cytoprotective effects hydrogen peroxide-induced PC12 cells