Effects of Barbary Wolfberry (Lycium barbarum) Polysaccharide on Isolated SkeletalMuscular Fatigue Induced by Electric Stimulation in Toad Studies on extraction, isolation and composition of Lycium barbarum polysaccharides Inhibition of Lycium barbarum polysaccharide on transplanted liver cancer in mice Inhibition of Lycium barbarum polysaccharide on transplanted liver cancer in mice