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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:
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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v20.i12.60
pages 1185-1195

Proximal Composition, Nutraceutical Properties, and Acute Toxicity Study of Culinary-Medicinal Oyster Mushroom Powder, Pleurotus ostreatus (Agaricomycetes)

Yamila Lebeque
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba
Humberto J. Morris
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba
Yaixa Beltrán
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba
Gabriel Llaurado
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba
Isabelle Gaime-Perraud
Institut Mediterranéen de Biodiversité et d'Écologie Marine et Continentale, Aix Marseille Université, Institute of Research for Development, Faculté de Saint-Jérome, Marseille cedex, France
Marcos Meneses
Facultad de Ciencias de la Salud, Universidad Anáhuac México Norte, Huixquilucan, Estado de México, México
Serge Moukha
Department of Toxicology, UFR des Sciences, Pharmaceutiques-Universite Bordeaux Segalen, Bordeaux Cedex, France; French National Institute for Agricultural Research, Mycologie et Sécurité des Aliments, Villenave d'Ornon, France
Rosa C. Bermúdez
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba
Nora Garcia
Centre of Studies for Industrial Biotechnology, Universidad de Oriente, Santiago de Cuba, Cuba

RESUMO

A compositional study was performed on fruiting-body powder of the culinary-medicinal oyster mushroom Pleurotus ostreatus for applications as a nutraceutical/functional food. Carbohydrates (55 g/100 g dry weight [dw]) and proteins (27.45 g/100 g dw, with an in vitro digestibility of 75%) appear to be the major components, but fat content was low (4 g/100 g dw). Pleurotus powder has important micronutrients such as minerals (Fe, Cu, Zn, Mn, Mg, and Co) and ascorbic acid, as well as nonnutrients (i.e., phenolics) with antioxidant potential. A powder-derived aqueous extract had a phenolic compound content of 138 mg/100 g that showed 2,2-diphenyl-1-picrylhydrazyl radical scavenging and inhibition of membrane-lipid peroxidation activities of 58.3% and 61.4%, respectively. The presence of β-1,3-1,6-D-glucans was also demonstrated (1.54 g/100 g). An acute toxicity test proved that Pleurotus powder was safe after oral administration to both male and female mice at a dose of 2000 mg/kg. The combination of rich nutritional composition, bioactivity, and safety in P. ostreatus fruiting-body powder highlights its potential as a nutraceutical agent promoting health and life quality.


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