Purification and Identification of Novel Antioxidative Peptide Released from Black-Bone Silky Fowl (Gallus gallus domesticus Brisson) Muscle Jianhua Liu b, Yousheng Huang c, Yinggang Tian a, Shaoping Nie a, Jianhua Xie a, Yong Wang a, Mingyong Xie a, * a State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, P. R. China b Department of Food Science and Engineering, College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China c Analytical and Testing Center of Jiangxi Province, Nanchang 330029, P. R. China *Corresponding author. Tel.: +86 791 83969009; fax: +86 791 83969009. E-mail address: myxie@ncu.edu.cn (M. Y. Xie). 1 Supporting information Fig. 1. The UV absorbance curves from 210 nm to 395 nm of both subfraction 4-3 (a) and 8-3 (b) were nearly identical. 0 .8 0 0 .7 0 234.4 0 .6 0 au au 0 .5 0 0 .4 0 0 .3 0 0 .2 0 0 .1 0 311.2 349.3 375.4 393.4 0 .0 0 2 2 0 .0 0 2 4 0 .0 0 2 6 0 .0 0 2 8 0 .0 0 3 0 0 .0 0 纳米 3 2 0 .0 0 3 4 0 .0 0 3 6 0 .0 0 3 8 0 .0 0 nm (a) 1 .6 0 1 .4 0 234.4 1 .2 0 au au 1 .0 0 0 .8 0 0 .6 0 0 .4 0 0 .2 0 371.8 0 .0 0 2 2 0 .0 0 2 4 0 .0 0 2 6 0 .0 0 2 8 0 .0 0 3 0 0 .0 0 纳米 3 2 0 .0 0 3 4 0 .0 0 3 6 0 .0 0 3 8 0 .0 0 nm (b) 2 Fig. 2. A single peak was identified at 6.83 min by UV detection (210 nm). 3 Fig. 3. A major peak with high height and large area was identified at 6.83 min under total ion current (TIC, ESI+) scan condition. 4