OBJECTIVES

In the present study, the antioxidant potency of ethyl acetate (AcOEt) and methanol (MeOH) extracts from the aerial parts of L. species was investigated for the first time.

MATERIALS AND METHODS

species L. such as Woronow ex Schischk., Besser, Boiss. & Heldr., subsp. Pall. ex Sm., Parolly & Nordt, (L.) W.Koch, M.Bieb., (M.Bieb.) Koso-Pol., Freyn & Sint., and L. growing in Turkey were collected and evaluated for their antioxidant capacity by using 1.1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging and lipid peroxidation (LPO) inhibition methods.

RESULTS

The highest activities as a scavenger of DPPH radicals were found in the AcOEt extracts of (M.Bieb.) Koso-Pol (IC=0.49 mg/mL), and (IC=0.75 mg/mL); α-tocopherol was used as a positive control. On the other hand, in the LPO assay, the highest activities were determined in AcOEt and MeOH extracts (at 5 mg/mL) of and (84-94%).

CONCLUSION

This report gives important information about the antioxidant capacity of L. species. This research on antioxidant capacity proves that the use of some species used in Eastern Anatolia (in salads) is correct. With this screening study performed in L. species growing in Turkey, in the future, it is planned to isolate antioxidant compounds from the most active strains of L.