Water soluble polysaccharides from the fruits of Lycium barbarum L. improve glucose and lipid metabolism and boost immune function in elderly mice fed a high-fat diet - Wanyi Wang; Haiyu Shi; Meng Zhang; Jia Mi; Lu Lu; Bo Jin; Lutao Zhang; Abdul Rehman; Chunhong Liu; Yamei Yan; Linwu Ran (Food Bioscience, 2026)