Antioxidant and hepatoprotective potential of endo-polysaccharides from Hericium erinaceus grown on tofu whey

► Chemical and physical characteristics of the polysaccharides were investigated. ► Antioxidant and hepatoprotective effects of the polysaccharides were investigated. ► The HEP80 showed strong activity on antioxidant and hepatoprotective activities. ► The hepatoprotective effect may be due to its potent antioxidant capacity.