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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 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.v17.i12.10
pages 1113-1125

Did the Iceman Know Better? Screening of the Medicinal Properties of the Birch Polypore Medicinal Mushroom, Piptoporus betulinus (Higher Basidiomycetes)

Jovana Vunduk
lnstitute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Anita Klaus
lnstitute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Maja Kozarski
Institute for Food Technology and Biochemistry, University of Belgrade Faculty of Agriculture, Belgrade, Serbia
Predrag Petrovic
Institute of Chemical Engineering, University of Belgrade Faculty of Technology and Metallurgy, Belgrade, Serbia
Zeljko Zizak
Institute of Oncology and Radiology of Serbia, Belgrade, Serbia
Miomir Niksic
lnstitute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Leonardus Johannes Lambertus Donatus Van Griensven
Plant Research International, Department of Bioscience Wageningen University and Research Centre, POB 16, 6700AA, Wageningen, The Netherlands

RESUMO

The birch polypore Piptoporus betulinus was among two mushrooms that were found in the Iceman's bag. Recent studies indicated that P. betulinus was probably used as a religious and medicinal item. In order to examine the medicinal potential of P. betulinus, hot water (HW), partially purified (PP), and alkali extract (HA) were prepared and tested for antioxidant, antimicrobial, cytotoxic, and angiotensin I−converting enzyme (ACE) inhibitory activity. All tested samples exhibited moderate cytotoxic activity, and HW appeared as the most effective (IC50 = 0.8 ± 0.1 mg/ml for HeLa cells). HA proved to be a good 1,1-diphenyl-2-picrylhydrazyl radical scavenger and exhibited the strongest ferric-reducing power (EC50 = 0.07 ± 0.3 mg/ml). The same extract (HA) also expressed the strongest ferric-reducing power (EC50 = 0.99 ± 0.1 mg/ml). Hot alkali extraction contributed significantly to ACE inhibitory activity (EC50 = 0.06 ± 0.00 mg/ml) and to antimicrobial activity, especially against highly resistant Enterococcus faecalis (minimum inhibitory concentration: 0.156 ± 0.000 mg/ml; and minimum bactericidal concentration: 1.25 ± 0.00 mg/ml).


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