Browsing by Author "Erdogan, TF"

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    Antimicrobial and Antioxidant Activities of Mycelia of 10 Wild Mushroom Species
    Kalyoncu, F; Oskay, M; Saglam, H; Erdogan, TF; Tamer, AÜ
    Antimicrobial and antioxidant activities of mycelia obtained from 10 wild edible mushrooms-Armillaria mellea, Meripilus giganteus, Morchella costata, Morchella elata, Morchella esculenta var. vulgaris, Morchella hortensis, Morchella rotunda, Paxillus involutus, Pleurotus eryngii, and Pleurotus ostreatus-were investigated. For determination of antimicrobial activities of these mushrooms, ethanol extracts were examined with 11 test microorganisms by the agar well diffusion method. P. ostreatus and M. giganteus were the most active species against both bacteria and yeast. Antioxidant properties of ethanol extracts were studied by the 1,1-diphenyl-2-picrylhydrazyl free radical scavenging method. Among the mushroom extracts, M. elata showed the most potent radical scavenging activity. This research has shown that these 10 wild macrofungi have potential as natural antioxidants and antibiotics.
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    Antimicrobial and cytotoxic activities of Tripleurospermum parviflorum (Willd.) Pobed
    Erdogan, TF; Gönenç, TM; Oskay, M
    The antimicrobial and cytotoxic activities of n-hexane, methanol, ethanol, ethyl acetate and water extracts of Tripleurospermum parviflorum (Willd.) Pobed. were evaluated in this study. The antimicrobial activities of the extracts were reported against Escherichia coli ATCC 29998, Escherichia coli ATCC 25922, Escherichia coli ATCC 11230, Staphylococcus aureus ATCC 6538P, Staphylococcus aureus ATCC 29213, Enterobacter cloacae ATCC 13047, Enterococcus faecalis ATCC 29212, Pseudomonas aeroginosa ATCC 27853 as bacteria and Candida albicans ATCC 10239 as yeastlike fungi by disc diffusion method. Cytotoxic activity of the extracts was tested in vitro against Brine shrimp. All of the extracts showed a range of activity against the tested bacteria and brine shrimp.