Polysaccharides from Yacon: Optimization of Ultrasound-assisted Extraction and Hydroxyl Free Radical Scavenging Evaluation
LU Ming-sheng1，WANG Shu-jun1，FANG Yao-wei1，LIU Shu1，XU Xing-quan2，LI Qiu-min1
FOOD SCIENCE . 2011, (2): 24 -27 .  DOI: 10.7506/spkx1002-6630-201102006