The Antioxidant Effect of Rosemary on the Oxidation Stability of Refıned Sunflower Oil

In this study, the essential oil chemical compounds of rosemary (Rosmarinus officinalis L.) and its antioxidant activity on oxidation stability refined sunflower (RSO) were investigated by Rancimat method. The plant material was obtained from Afyonkarahisar Medicinal Aromatic Plants Center/Turkey. Based GC/FID-MS analysis result, 1,8-Cineole (15.18%), Camphor (11.39%), Borneol Germacrene D (11.12%), Carvacrol (11.05%), α-Pinene (6.01%) p-Cimene (3.07%) identified as major constituents oil. total determined using DPPH EC50 value measured 3.35 mg mL-1. While induction time RSO is 1.57 hours average,the with 1 g 100 g-1 added 1.68 average, 5 1.79 average. According to results, rosemary, an economic medicinal aromatic plant, significantly increased RSO. Therefore, can be recommended a natural extend shelf life edible fixed oils.