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International Journal of Medicinal Mushrooms
Импакт фактор: 1.423 5-летний Импакт фактор: 1.525 SJR: 0.433 SNIP: 0.661 CiteScore™: 1.38

ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344

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

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.2018025455
pages 165-175

Antimicrobial, Cytotoxic, Anti-Inflammatory, and Antioxidant Activity of Culinary Processed Shiitake Medicinal Mushroom (Lentinus edodes, Agaricomycetes) and Its Major Sulfur Sensory-Active Compound−Lenthionine

Kristyna Kupcova
Department of Applied Chemistry, University of South Bohemia, Ceske Budejovice, Czech Republic
Iveta Stefanova
Department of Applied Chemistry, University of South Bohemia, Ceske Budejovice, Czech Republic
Zuzana Plavcova
Department of Molecular Biology and Pharmaceutical Biotechnology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
Jan Hosek
Department of Molecular Biology and Pharmaceutical Biotechnology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
Pavel Hrouzek
Centre Algatech, Institute of Microbiology, The Czech Academy of Sciences, Trebon, Czech Republic
Roman Kubec
Department of Applied Chemistry, University of South Bohemia, Ceske Budejovice, Czech Republic

Краткое описание

The antimicrobial, cytotoxic, anti-inflammatory, and antioxidant properties of aqueous extracts of raw and culinary processed shiitake mushrooms were evaluated and compared with those of lenthionine (1,2,3,5,6-penta-thiepane), the principal aroma-bearing substance of the shiitake medicinal mushroom (Lentinus edodes). Antimicrobial activity was tested using a panel of 4 strains of bacteria, 2 yeasts, and 2 fungi. Cytotoxic properties were evaluated against 3 cell lines (HepG2, HeLa, PaTu), whereas the anti-inflammatory activity of tested samples was assayed based on their ability to attenuate the secretion of the cytokine tumor necrosis factor-α. Antioxidant activity was measured using in vitro DPPH and ABTS assays. It was found that lenthionine possesses significant antimicrobial properties; it is remarkably effective in inhibiting the growth of yeasts and fungi (minimum inhibitory concentration, 2-8 μg/mL) and thus is comparable to standard antifungal agents. Lenthionine is also able to decrease significantly the production of tumor necrosis factor-a and thus could be at least partly responsible for the observed anti-inflammatory effect of shiitake. On the other hand, lenthionine does not seem to contribute significantly to the well-known anticancer and antioxidant effects of the mushroom.


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