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Chemical features of Ganoderma polysaccharides with antioxidant, antitumor and antimicrobial activities

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Resumo:Ganoderma genus comprises one of the most commonly studied species worldwide, G. lucidum. However, other Ganoderma species have been also reported as important sources of bioactive compounds. Polysaccharides are important contributors to the medicinal properties reported for Ganoderma species, as demonstrated by the numerous publications, including reviews, on this matter. Yet, what are the chemical features of Ganoderma polysaccharides that have bioactivity? In the present manuscript, the chemical features of Ganoderma polysaccharides with reported antioxidant, antitumor and antimicrobial activities (the most studied worldwide) are analyzed in detail. The composition of sugars (homo- versus hetero-glucans and other polysaccharides), type of glycosidic linkages, branching patterns, and linkage to proteins are discussed. Methods for extraction, isolation and identification are evaluated and, finally, the bioactivity of polysaccharidic extracts and purified compounds are discussed. The integration of data allows deduction of structure-activity relationships and gives clues to the chemical aspects involved in Ganoderma bioactivity.
Autores principais:Ferreira, Isabel C. F. R.
Outros Autores:Heleno, S. A.; Stojkovicd, S.; Reis, F.; Stojkovicd, S.; Queiroz, Maria João R. P.; Vasconcelos, M. H.; Sokovic, M.
Assunto:Ganoderma; Polysaccharides Chemical features Bioactivity Structure-activity Ciências Naturais::Ciências Químicas Ciências Agrárias::Outras Ciências Agrárias
Ano:2015
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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