Optimization of Enzymatic Coupled with Ultrasonic-assisted Extraction of Polysaccharide from Polyporus umbellatus and Its Antioxidant Activity
ZHANG Yuan,FENG Qiong,YANG Xiao-fang, GU Chun-xiu, LIU Hong-mei*
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2015, (9): 1657 -1662 .  DOI: 10.16333/j.1001-6880.2015.09.026