Structural characterization of a heteropolysaccharide from the fruit of Crataegus pinnatifida and its bioactivity on the gut microbiota of immunocompromised mice

Yongshuai Jing, Yameng Zhang, Meng Yan, Ruijuan Zhang, Beibei Hu, Shiguo Sun, Danshen Zhang, Yuguang Zheng, Lanfang Wu