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International Journal of Medicinal Mushrooms
Fator do impacto: 1.423 FI de cinco anos: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38

ISSN Imprimir: 1521-9437
ISSN On-line: 1940-4344

Volumes:
Volume 22, 2020 Volume 21, 2019 Volume 20, 2018 Volume 19, 2017 Volume 18, 2016 Volume 17, 2015 Volume 16, 2014 Volume 15, 2013 Volume 14, 2012 Volume 13, 2011 Volume 12, 2010 Volume 11, 2009 Volume 10, 2008 Volume 9, 2007 Volume 8, 2006 Volume 7, 2005 Volume 6, 2004 Volume 5, 2003 Volume 4, 2002 Volume 3, 2001 Volume 2, 2000 Volume 1, 1999

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.2019031922
pages 995-1006

Isolation, Anti-Inflammatory Activity and Physico-chemical Properties of Bioactive Polysaccharides from Fruiting Bodies of Cultivated Cordyceps cicadae (Ascomycetes)

Chun-Hsien Yang
Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan
Chun-Han Su
Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan
Shou-Chou Liu
Kang Jian Biotech Co., Ltd., Nantou, Taiwan
Lean-Teik Ng
Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan

RESUMO

Cordyceps cicadae is a medicinal fungus popularly used in traditional Chinese medicine for treating cancer, asthma, and kidney diseases. In this study, crude polysaccharides (CP) and water-soluble nondigestible polysaccharides (NDPs) were prepared from the fruiting bodies of cultivated C. cicadae, and their physicochemical properties and anti-inflammatory activity in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages were examined. The results showed yields of CP and NDP of 3.42% and 1.17%, respectively. CP and NDP showed a similar monosaccharide composition, of which the predominant monosaccharide was mannose, followed by galactose and glucose. Differences in molecular weight distribution between CP and NDP were apparent; CP possessed two major (3.1 kDa and 21.5 kDa) and one minor (678.2 kDa) macromolecular populations, whereas NDP contained only one macromolecular population (24.4 kDa). Furthermore, CP but not NDP had a triple helix conformation. The bioassay results showed that, although both CP and NDP possess anti-inflammatory activity, NDP had stronger inhibitory effects on nitric oxide, IL-1β, and TNF-α production in LPS-stimulated RAW264.7 macrophages. From this study, we conclude that the differences in conformation and molecular weight distribution between CP and NDP may contribute to their differences in anti-inflammatory activity.

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