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Öğe Determination of Mineral Content and Antimicrobial Activity of Natural and Cultural Forms of Pleurotus ostreatus(Kastamonu Univ, Orman Fak, 2016) Sevindik, Mustafa; Akgul, Hasan; Gunal, Selami; Dogan, MuhittinIn this study, Pleurotus ostreatus Jacq. ex. Fr., which are collected from Gaziantep and its culture form that are sold in stores are used as material. Antimicrobial activity of ethanol extract of P. ostreatus is determined by agar dilution method. Also, mineral composition of P. ostreatus are determined in atomic absorption spectrometry by wet digestion method. The aim of the study is to detect and compare both mineral content and antimicrobial activity of natural and cultural forms of P. ostreatus. In the studies, the fungus has been shown to have low antimicrobial activity. It is said to be higher than the natural form of mineral metal levels.Öğe Phenolic Content, Antioxidant and Antimicrobial Potential of Endemic Ferulago platycarpa(Gazi Univ, 2020) Mohammed, Falah Saleh; Gunal, Selami; Pehlivan, Mustafa; Dogan, Muhittin; Sevindik, Mustafa; Akgul, HasanIn this study, biological activities and phenolic contents of endemic Ferulago platycarpa Boiss. & Bal. were determined. Within the scope of biological activity, antimicrobial activity, antioxidant and oxidant status of plant extracts were determined. Phenolic contents were determined by using HPLC. Antimicrobial activity was determined against bacteria and fungus strains using the modified agar method. Antioxidant and oxidant status were calculated with Rel Assay kits. Gallic, chlorogenic, cinnamic, syringic acids, epicatechin, catechin and quercetin were found in the plant. It was also determined that the plant has antioxidant and antimicrobial potential. But, because of higher TOS value, it was considered that the plants, which were collected from region suitable for OSI value, could be a natural antioxidant source.
