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International Journal of Medicinal Mushrooms
Facteur d'impact: 1.423 Facteur d'impact sur 5 ans: 1.525 SJR: 0.431 SNIP: 0.716 CiteScore™: 2.6

ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.2019030136
pages 275-289

Pleurotus ostreatus and Laetiporus sulphureus (Agaricomycetes): Possible Agents against Alzheimer and Parkinson Diseases

Jasmina Ćilerdžić
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia
Milica Galić
University of Belgrade, Faculty of Biology, Takovska 43, 11000 Belgrade, Serbia
Jelena Vukojević
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia
Mirjana Stajic
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia

RÉSUMÉ

Previous studies showed that some mushrooms are highly efficient in inhibiting acetylcholinesterase and tyrosinase, the increased activity of which can trigger the development of Alzheimer and Parkinson diseases. Starting from the fact that free radicals at high concentrations could cause neurodegenerative disorders as well as great interest in new, natural antineurodegenerative drugs, the goal of this study was to determine the in vitro antioxidative and neuroprotective potentials of various Pleurotus ostreatus and Laetiporus sulphureus extracts. L. sulphureus was a better antioxidative agent; it showed higher reducing power, was a more efficient scavenger of DPPH and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) radicals, and was an Fe3+ reducer. The most efficient acetylcholinesterase inhibitor was hot water extract of P. ostreatus fruiting body, which was slightly weaker than the commercial preparation, galantamine. However, in comparison with α-kojic acid, tested extracts were weaker tyrosinase inhibitors. Considering that tested extracts were rich in phenols and that their amounts were in positive correlation with the extent of radical neutralization and acetylcholinesterase and tyrosinase inhibition, it is assumed that these compounds are the potential carriers of the neuroprotective activities. Owing to the significant antioxidative and antineurodegenerative capacity of these species, they can be suggested as novel nutraceuticals and pharmaceuticals.


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