1 Graphical Abstract _____________________________________________________________________ Chemical features of Ganoderma polysaccharides with antioxidant, antitumor and antimicrobial activity Isabel C.F.R. Ferreira, Sandrina A. Heleno, Filipa S. Reis, Dejan Stojkovic, Maria João R.P. Queiroz, M. Helena Vasconcelos, Marina Sokovic This review aims to contribute to the growing knowledge on bioactive (antioxidant, antitumor and antimicrobial) properties of polysaccharides, glycoproteins and polysaccharidic extracts obtained from Ganoderma species. The chemical features were analyzed and related to correspondent bioactivities. ____________________________________________________________________