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    DETERMINATION OF THERAPEUTIC POTENTIAL OF MENTHA LONGIFOLIA SSP LONGIFOLIA
    (Parlar Scientific Publications (P S P), 2017) Sevindik, Mustafa; Akgul, Hasan; Pehlivan, Mustafa; Selamoglu, Zeliha
    The present study aimed to determine antioxidant, antimicrobial activities and oxidative stress properties of the ethanol extracts of Mentha longifolia L. Hudson subsp. longifolia. Antioxidant activity was determined with the DPPH method. Antimicrobial activity was tested on six different microorganisms (Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Candida tropicalis) using modified agar dilution method. Total antioxidant status (TAS), total oxidant status (TOS) and oxidative stress index (OSI) were determined using Rel Assay kits. It was observed that DPPH and antimicrobial potentials of plant samples varied based on the locations they were collected. As a result, it was considered that plant samples could be used as natural antioxidant and antimicrobial resources, but suitable regions for OSI values should be selected.
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    Determination of therapeutic potential of mentha longifolia ssp. Longifolia
    (Parlar Scientific Publications, 2017) Sevindik, Mustafa; Akgul, Hasan; Pehlivan, Mustafa; Selamoglu, Zeliha
    The present study aimed to determine antioxidant, antimicrobial activities and oxidative stress properties of the ethanol extracts of Mentha longifolia L. Hudson subsp. longifolia. Antioxidant activity was determined with the DPPH method. Antimicrobial activity was tested on six different microorganisms (Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Candida tropicalis) using modified agar dilution method. Total antioxidant status (TAS), total oxidant status (TOS) and oxidative stress index (OSI) were determined using Rel Assay kits. It was observed that DPPH and antimicrobial potentials of plant samples varied based on the locations they were collected. As a result, it was considered that plant samples could be used as natural antioxidant and antimicrobial resources, but suitable regions for OSI values should be selected. © by PSP.
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    Phenolic Content and Antioxidant Potential of Terfezia boudieri
    (Gazi Univ, 2018) Sevindik, Mustafa; Pehlivan, Mustafa; Dogan, Muhittin; Selamoglu, Zeliha
    The present study aimed to determine the phenolic content, total antioxidant status (TAS), total oxidant status (TOS) and oxidative stress index (OSI) of Terfezia boudieri Chatin, known as truffle mushroom. In this context, phenolic content was determined with an HPLC device. TAS, TOS and OSI were determined with Rel Assay kits. As a result of the conducted analyses, 30.89 mg/kg gallic acid, 554.64 mg/kg syringic acid and 5.52 mg/kg 4-hydroxybenzoic acid were determined in the mushroom. It was determined that TAS value was 2.332 +/- 0.034, TOS value was 26.945 +/- 0.144 and OSI value was 1.156 +/- 0.011. It was suggested to avoid excessive consumption of mushrooms collected in this region due to the high TOS value. It was also considered that samples collected in appropriate regions could be consumed as a good antioxidant source based on the determined OSI.