TY - JOUR T1 - Response surface optimization of polysaccharide extraction from Galla Chinensis and determination of its antioxidant activity in vitro JO - Food Science and Technology A1 - HU, Jiangxia A1 - GAO, Jiayu A1 - ZHAO, Zijun A1 - YANG, Xiao SN - 0101-2061 UL - 10.1590/fst.38619 VL - 41 Y1 - 2021 PB - Brasil ER -