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International Journal of Medicinal Mushrooms
Fator do impacto: 1.423 FI de cinco anos: 1.525 SJR: 0.431 SNIP: 0.716 CiteScore™: 2.6

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.v7.i3.820
443 pages

Novel Antibacterial Compounds Obtained from Some Edible Mushrooms

Karuppaiya Periasamy
Center for Advanced Studies in Botany, University of Madras, Guindy Campus, Chennai-600 025, India

RESUMO

Mushrooms are considered to be natural nutraceuticals and are cultivated for both edible and medicinal purposes. Many edible mushrooms possess enriched proteins and some medicinal properties such as antibacterial, antifungal, antiviral, and anti-AIDs.
Based on both nutritional and medicinal properties, the present study is focused on the antibacterial substances and their efficacy. Antibacterial substances were isolated from culture filtrates, fresh mycelia, and dried fruiting bodies (basidiomata) of an Indian milky mushroom, Calocybe indica Purkayastha et A. Chandry (Tricholomataceae), and an oyster mushroom, Pleurotus ostreatus (Jacq.:Fr.) P.Kumm. (Pleurotaceae). Antimicrobial compounds were extracted with different organic solvents such as acetone, chloroform, ethanol, ethyl acetate, and methanol. The antibacterial activity against some human pathogenic bacteria, such as Bacillus spp. Escherichia coli, Vibrio chokrae, and Salmonella thiphi, was studied using agar diffusion method.
The maximum inhibition was observed in the dried fruiting bodies of Calocybe indica, extracted with the solvent ethyl acetate, followed by Pleurotus ostreatus. In both cases, two different colored compounds of blue and green were visualized under UV and recorded Rf values of 0.86 and 0.95, respectively, when the compounds were separated by thin layer chromatography.
These compounds could be responsible for pathogen inhibition, and the significance of the principally active compounds is worth future analyses by mass spectrum and nuclear magnetic resonance (NMR).


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