STUDIES ON ANTIOXIDANT, ANTIHYPERGLYCEMIC AND ANTIMICROBIAL EFFECTS OF EDIBLE MUSHROOMS BOLETUS EDULIS AND CANTHARELLUS CIBARIUS
2016
Daniela Elena ZAVASTIN | Alexandra BUJOR | Cristina TUCHILUŞ | Cornelia Geanina MIRCEA | Simona Petronela GHERMAN | Ana Clara APROTOSOAIE | Anca MIRON
The study evaluated the antioxidant, antihyperglycemic and antimicrobial effects of both ethanolic and hydromethanolic extracts of the fruiting bodies of wild edible mushrooms Boletus edulis (penny bun) and Cantharellus cibarius (golden chanterelle) sampled in Poiana Stampei (Suceava county, Romania). The total phenolic contents of extracts were also determined. Boletus edulis hydromethanolic extract showed the highest total phenolic content (72.78±0.29 mg/g). This extract was also the most active as scavenger of DPPH and ABTS radicals (EC50=151.44±0.85 and 65.4±0.4 µg/mL, respectively) and reducing agent (EC50=46.77±0.34 µg/mL). Cantharellus cibarius ethanolic extract showed high ferrous ion chelating (EC50=82.9±0.6 µg/mL), 15-lipoxygenase (EC50=236.7±1.5 µg/mL) and α-glucosidase (EC50=9.77±0.06 μg/mL) inhibitory activities. For both mushrooms, the ethanolic extracts were more active against Staphylococcus aureus ATCC 25923 than the hydromethanolic ones. The antioxidant and antihyperglycemic effects revealed in this study support further investigations for a possible valorization of both mushrooms in the dietary supplement and pharmaceutical industries.
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