Structure–function relationship of Konjac glucomannan with varying acetylation degrees in modulating gut microbiota and alleviating prediabetes - Hongchao Wang; Yurong Zhao; Danting Dang; Liming Huang; Zhangming Pei; Jianxin Zhao; Hao Zhang; Wei Chen; Wenjun Wu; Wenwei Lu (Carbohydrate Polymers, 2026)