| Summary: | In this study, total phenolic, total flavonoid and antioxidant activities of the some endemic species Sideritis rubriflora Hub.-Mor., Sideritis libanotica Labill. subsp. violascens (P.H.Davis) P.H.Davis, Sideritis erythrantha Boıss. Et Heldr. Apus Bentham var. cedretorum P.H.Davis, Sideritis congesta P. H. Davis Et Hub.-Mor., Sideritis brevidens P.H.Davis and Sideritis vuralii H. Duman Et Başer, which were collected from Anamur district of Mersin province in Turkey, were analyzed. Total phenolic content (TPC), total flavonoid content (TFC) and total antioxidant capacity (DPPH), (ABTS), (FRAP) of the ground surface parts were evaluated. As a result of the study, the highest TPC value was observed in S. erythrantha subsp. cedretorum and S. rubriflora extracts as being 366.9 and 328.3 mg/g DW, respectively; the highest TFC value was observed in S. rubriflora extract as being 155.7 mg/g; the highest DPPH radical scavenging activity was observed in S. congesta and S. brevidens extracts as being 39.1% and 38.9%, respectively; the highest ABTS radical scavenging activity was observed in S. erythrantha subsp. cedretorum and S. rubriflora extracts as being 54.9% and 51.9%, respectively; the highest FRAP value was observed in S. libanotica subsp. violascens extract as being 1500.2 µmol/g. In the light of the acquired findings, it is suggested that Sideritis species used in the study can be used as a possible natural source in the pharmaceutical and food industries.
DOI: http://dx.doi.org/10.5281/zenodo.4660074
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