Total phenolic substance, flavonol amounts, antioxidant capacity and antiradical activity values of Karabaş thyme extract were determined as 74.52-163.10mg GAE/g,773.62-1006.69 μg RE /g, IC50=572.60-1035.6 μg/ml and 42.31-101.52mg/ g AAE, respectively.Total phenolic contents and amounts of flavonols of S.cuneifolia were found between 121.17 and 198.93mg GAE/g and 1050.17-1562.21 μg RE/g found and maximum amounts was obtained with U3 application. The total phenolic substance, flavonoid amounts, antioxidant capacity and antiradical activity of black thyme extracts values were found between 82.97 and 115.09mgGAE/g,657.68-999.44 μgRE /g,IC50=388.24-701.23μg / mland91.14-123.34mg AAE/ g, respectively. Total amount of phenolic substance of S.hortensis was found low quantities in all extracts, highest amount obtained with U3 application71.13mgGAE/g.The highest total phenolic and total flavonoid amounts of C.capitatus were found between 104.94 mgGAE/ g and 568.32 μgRE /g, respectively.