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International Journal of Medicinal Mushrooms
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ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v16.i1.60
pages 65-75

Antioxidant Capacity and Polyphenolic Content of Dried Wild Edible Mushrooms from Poland

Wojciech Radzki
Department of Fruits, Vegetables and Mushrooms Technology, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin, Lublin, Poland
Aneta Slawinska
Department of Fruits, Vegetables and Mushrooms Technology, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin, Lublin, Poland
Ewa Jablonska-Rys
Department of Fruits, Vegetables and Mushrooms Technology, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin, Lublin, Poland
Waldemar Gustaw
Department of Fruits, Vegetables and Mushrooms Technology, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin, Lublin, Poland

SINOPSIS

In this study 6 species of wild edible mushrooms were evaluated in terms of their total phenolic content and antioxidant activity using 1,1-diphenyl-2-picrylhydrazyl radical and ferric reducing antioxidant power assay methods. The mushrooms, namely Armillaria mellea, Cantharellus cibarius, Lactarius deliciosus, Leccinum aurantiacum, Suillus luteus, and Boletus badius, were dried using both freeze drying and convection drying at 50°C. The amounts of phenolic compounds varied from 3.0 ± 0.1 to 12.8 ± 0.4 mg gallic acid equivalents/g dry weight (for water extracts) and from 2.4 ± 0.1 to 11 ± 0.5 mg gallic acid equivalents/g dry weight (for ethanolic extracts). The species that presented the highest antioxidant potential were B. badius and S. luteus. The impact of hot-air drying on the antioxidant activity of water and ethanolic extracts was evaluated. We demonstrated that hot-air drying may have either a negative or positive influence on phenolics and antioxidant activity, depending on the mushroom species. However, a negative effect was more frequent.


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