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Structural studies of an immunoenhancing water-soluble glucan isolated from hot water extract of an edible mushroom, Pleurotus florida, cultivar Assam Florida

2009; Elsevier BV; Volume: 344; Issue: 18 Linguagem: Inglês

10.1016/j.carres.2009.09.010

1873-426X

Sadhan K. Roy, Debsankar Das, Subhas Mondal, Debabrata Maiti, Bibhas K. Bhunia, Tapas K. Maiti, Syed S. Islam,

Microbial Metabolites in Food Biotechnology

An immunoenhancing polysaccharide isolated from the hot water extract of the fruiting bodies of an edible mushroom Pleurotus florida, cultivar Assam Florida, was found to consist of only d-glucose as a monosaccharide constituent. On the basis of total acid hydrolysis, methylation analysis, periodate oxidation, Smith degradation, and NMR experiments ((1)H, (13)C, DEPT-135, DQF-COSY, TOCSY, NOESY, ROESY, HMQC, and HMBC), the structure of the repeating unit of the polysaccharide was established as This glucan stimulates macrophages, splenocytes, and thymocytes.