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Carbohydr Res. 2012 Jan 10;347(1):172-7. doi: 10.1016/j.carres.2011.10.040. Epub 2011 Nov 4.

Chemical analysis of an immunostimulating (1→4)-, (1→6)-branched glucan from an edible mushroom, Calocybe indica.

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1
Department of Chemistry & Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India.

Abstract

An immunostimulating water-soluble glucan was isolated from hot aqueous extract of fruit bodies of an edible mushroom Calocybe indica. Structural investigation of the glucan was carried out using acid hydrolysis, methylation analysis, and NMR studies ((1)H, (13)C, DEPT-135, TOCSY, DQF-COSY, NOESY, ROESY, HMQC, and HMBC). On the basis of above-mentioned experiments, the structure of the repeating unit of the polysaccharide was established as [see figure in text]. This glucan stimulated the splenocytes and thymocytes.

PMID:
22119439
DOI:
10.1016/j.carres.2011.10.040
[Indexed for MEDLINE]

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