Shiitake mushroom extract (10--30% Polysaccharides) 1.can activate T cells which have immune ... cancer cause Welcome to Full Green Food Shiitake mushroom extract (10--30% Polysaccharides) Product origin: ChinaStandard: Gtade APrice terms: FOB, CNF ... , Korea, EU, USA, Russia, Middle East,etc. Shiitake mushroom extract (10--30% Polysaccharides)