Bioactivities of water-soluble polysaccharides from fruit shell of Camellia oleifera Abel: Antitumor and antioxidant activities

► We studied the bioactivity, structure of polysaccharide from Camellia oleifera. ► We studied the composition of the polysaccharide (WEP2). ► WEP2 displayed promising activity in the antitumor assay and antioxidant assays.