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- MakaleAçık Erişim2025Scopus SJRQ2In vitro and in silico analyses of cytoprotective, antigenotoxic and antimutagenic potential of Phlomis pungens var. hirta extracts against oxidative damage
Wild Korkmaz, Franziska Johanna; Dogan, Serap; Yilmaz Kardas, Begumhan; Diken, Mehmet Emin; Karasakal, Ömer Faruk; Acar, Mikail
Phlomis pungens var. hirta Velen has been used by local people for food and to treat diseases but there are limited number of investigations in literature about this plant and cyto/genotoxicity analyses have not been done before. Hence, this study aimed to find out cell-protective activity and DNA damage prevention ability of P. pungens var. hirta by MTS, micronucleus, 8-OHdG and somatic mutation recombination tests (SMART). In addition, liquid chromatography, antioxidant/antibacterial activity analyses and in silico biological activity profiling were performed. The healthy lymphocyte cell growth was supported by the plant extracts and none of the extracts was genotoxic. 8-OHdG test showed that methanolic and ethanolic extracts of the plant were able to decrease the oxidative DNA damage. According to the SMART results, extracts could suppress the genotoxic effects of an important environmental pollutant, H2O2. Rutin hydrate and quercetin were found in highest concentrations and the extracts could be characterized as antioxidant/antibacterial. In silico analysis also showed that the major compounds of this plant can be considered as chemoprotective. This is the first study that assessed the cell protective activity and DNA damage prevention capacity of P. pungens var. hirta, which should be regarded as a potential source for nutritional supplements and therapeutic products.
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İncele - MakaleYalnız künye2012Scopus SJRQ4Determination of Antioxidant Capacities of Phlomis pungens Wild. var. hispida Hub.-Mor.
Keser, Serhat; Turkoglu, Semra; Celik, Sait; Turkoglu, Ismail
The genus Phlomis L. belongs to the Lamiaceae family and encompasses 100 species native to Turkey, North Africa, Europe and Asia. It is a popular herbal tea enjoyed for its taste and aroma. Phlomis species are used to treat various conditions such as diabetes, gastric ulcer, hemorrhoids, inflammation and wounds. In this study, ethanol and water extracts were prepared from powdered P pungens flowers and leaves. Antioxidant activities were measured by 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS(center dot+)) radical scavenging, 1,1-diphenyl-2-picryl-hydrazyl free radical (DPPH center dot) scavenging, superoxide anion (02) radical scavenging, reducing activity and ferrous metal chelating activity assays. In conclusion, P. pungens flowers and leaves had effective ABTS(center dot+) and DPPH center dot radical scavenging, superoxide anion radical scavenging, reducing power and metal chelating activities when compared with BHA, BHT and alpha-tocopherol as reference antioxidants.
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