A novel polysaccharide from Rubus chingii Hu unripe fruits: Extraction optimization, structural characterization and amelioration of colonic inflammation and oxidative stress - Hanqi Luo; Na Ying; Qihui Zhao; Junli Chen; Hangying Xu; Wu Jiang; Yaozong Wu; Yinliang Wu; Hongchang Gao; Hong Zheng (Food Chemistry, 2023)