Extraction and antioxidant activity of pigment from red pitaya peel
LI Hai-li, LIU Kai-dong, YUAN Chang-chun, CHEN Yan, WANG Yan, ZHOU Xian-jiao, LI Shu-bin
Food and Fermentation Industries . 2014, (12): 203 -209 .  DOI: 10.13995/j.cnki.11-1802/ts.201412039