Partially methylated galactans containing different proportions of 3-O-methyl-galactose from Pleurotus citrinopileatus

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dc.creatorBrito, Dayane Rodrigues de
dc.creatorCarbonero, Elaine Rosechrer
dc.creatorViana, Sthefany Rodrigues Fernandes
dc.creatorSilva, Estefânia Viano da
dc.creatorRuthes, Andrea Caroline
dc.creatorLiao, Luciano Morais
dc.creatorIacomini, Marcello
dc.date.accessioned2024-02-07T10:55:33Z
dc.date.available2024-02-07T10:55:33Z
dc.date.issued2018
dc.description.abstractPleurotus citrinopileatus, popularly known as “golden oyster mushroom” have medicinal properties, which are attributed mainly to the presence of bioactive polysaccharides. In this work, two partially 3-O-methylated galactans were isolated from the fruiting bodies of this fungus, via successive aqueous extraction, followed by fractionation by freeze-thawing, and precipitation of soluble material with Fehling solution. The structural assignments were carried out using mono- and bidimensional NMR spectroscopy, monosaccharide composition, and methylation analyses. The polysaccharides were characterized as linear, partially 3-O-methylated (1 → 6)-linked α-galactopyranans, containing only Gal and 3-O-Me-Gal, in 2:1 and 1:1 molar ratios, with molar masses of 37.6 × 103 g/mol and 28.5 × 103 g/mol, respectively. Similar structures have been described for other Pleurotus spp., but showing a lower content of 3-O-Me-Gal.
dc.identifier.citationBRITO, Dayane R. et al. Partially methylated galactans containing different proportions of 3-O-methyl-galactose from Pleurotus citrinopileatus. Carbohydrate Research, Amsterdam, v. 458/459, p. 29-34, 2018. DOI: 10.1016/j.carres.2018.02.002. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S000862151730890X?via%3Dihub. Acesso em: 29 jan. 2024.
dc.identifier.doi10.1016/j.carres.2018.02.002
dc.identifier.issne- 1873-426X
dc.identifier.issn0008-6215
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S000862151730890X?via%3Dihub
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Química - IQ (RMG)
dc.rightsAcesso Restrito
dc.titlePartially methylated galactans containing different proportions of 3-O-methyl-galactose from Pleurotus citrinopileatus
dc.typeArtigo

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