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Antioxidant, Antimicrobial, Cytotoxic and Anticholinesterase Activities of Seven Mushroom Species with their Phenolic Acid Composition

Abdurrahman Dundar, Veysi Okumus, Sadin Ozdemir, Kadir Serdar Celik, Mehmet Boga, Eren Ozcagli, Gul Ozhan and Abdunnasir Yildiz

The study focused to evaluate cytotoxic, antioxidant, antimicrobial and anticholinesterase activities of methanol extracts of Pleurotus ostreatus Jacq. (Pleurotaceae), Boletus edulis Bull. (Boletaceae), Tricholoma populinum J. (Tricholomataceae) Helvella queletii Bres. (Helvellaceae), Armillaria tabescens Emel. (Physalacriaceae), Psathyrella candolleana Fr. (Psathyrellaceae) and Helvella leucopus Pers. (Helvellaceae) mushroom species. Phenolic acid profiles of these mushrooms were also determined to obtain further information on the correlation between the contents of phenolic compounds and studied activities. Cytotoxic activity of mushrooms was screened by MTT cytotoxicity assay on cancer (HeLa) and normal epithelium (NRK-52E) cell lines. To determine antioxidant potential of mushroom extracts free radical scavenging, reducing power, superoxide anion radical scavenging, total antioxidant and metal chelating activities were studied, To indicate anthicholinesterase activity the acetyl-and butyrylcholinesterase inhibitory activities of the mushroom extracts were studied. For antimicrobial activity disc diffusion method was applied. Phenolic profile of mushrooms were determined by HPLC system. The IC50 values of the extracts were 1.58-25.11 and 2.05-22.32 mg/mL for HeLa and NRK-52E cells, respectively. At antimicrobial activity the inhibiton zones were found to be as 1 ± 0.12-13 ± 0.23 mm. P. ostreatus, B. edulis and H. leucopus extracts were showed higher activities than the other mushroms at antioxidant, antimicrobial, anticholinesterase and cytotoxic activity.