Afacan, A.Adiloglu, S.Hasanghasemi, A.Saglam, C.2024-10-292024-10-2920141302-70502146-5894https://hdl.handle.net/20.500.11776/14908Sunflower, apart being the plant of cooking oil, is grown as an ornamental plant in parks and gardens. Protein, carbohydrate and fat is found in sunflower pulp utilized as animal feed apart being used as cooking oil. While its seeds are being used as snacks, its stems and slabs are used in the paper industry. In this study, sunflower widely cultivated in Tekirdag province, Tunca MR (5580) sunflower variety grown in the basic soils of Banarli Village in Hayrabolu District and antioxidant activities of plant extracts during physiological and harvest periods were researched with beta-carotene Linoleic Acid Method and it was compared with Butylated Hydroxy Toluene (BHT), which is a synthetic antioxidant, and Trolox as a standard. Total antioxidant activity was determined with beta-carotene Linoleic Acid Method. In this study, however, antioxidant capacities of sunflowers were compared by considering their seeds in terms of soil and climate.eninfo:eu-repo/semantics/closedAccessAntioxidant activitybeta-carotene Linoleik AsitSunflowerTekirdagArticle1122126N/AWOS:000453161800003