Seyrekoğlu, Fadime, and Hasan Temiz. 2020. “Effect of Extraction Conditions on the Phenolic Content and DPPH Radical Scavenging Activity of Hypericum Perforatum L”. Turkish Journal of Agriculture - Food Science and Technology 8 (1):226-29. https://doi.org/10.24925/turjaf.v8i1.226-229.3013.