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    Comparison of Fatty Acid Composition between Female and Male Japanese Quail Meats
    (Hindawi Ltd, 2015) Gecgel, Umit; Yilmaz, Ismail; Gurcan, Eser Kemal; Karasu, Salih; Dulger, Gizem Cagla
    The objective of the present study was to compare the proximate analysis, fatty acids composition, omega fatty acids, trans fatty acids (TFAs), and ratio of the total poly unsaturated fatty acid (Sigma PUFA) and total saturated fatty acid (Sigma SFA) of female and male quail meats. Significant differences were not observed between pH, crude fat, moisture, and ash content of female and male quail meats (p > 0.05). The male quail meat had higher fat and ash contents and lower moisture content than those of the female quail meat. The pHs of male and female quail meat were found to be 6.22 and 6.21, respectively. The results of the fatty acid composition analysis showed that C18:1 (42.14-41.23%), C16:0 (24.31-25.76%), C18:2 (13.82-13.42%), and C18:0 (7.49-7.32%) were found as the major fatty acids in the female and male quail meats. Total TFAs, Sigma SFA, monounsaturated fatty acids (Sigma MUFA), and Sigma PUFA content of the female and male quail meats were found to be 2.79-2.82%, 33.22-34.65%, 49.70-48.72%, and 14.29-13.81%, respectively.
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    The effect of press temperature on the total tocopherols, sterol, fatty acid, phenolic profile, in-vitro cytotoxicity assay, and anti-inflammatory activity
    (Soc Brasileira Ciencia Tecnologia Alimentos, 2022) Basdogan, Hakan; Akman, Perihan Kubra; Yildirim, Rusen Metin; Sagdic, Osman; Gecgel, Umit; Tekin-Cakmak, Zeynep Hazal; Karasu, Salih
    This study aimed to investigate the effect of press temperature on physicochemical properties, fatty acid, sterol, phenolic composition, in-vitro cytotoxicity assay, and anti-inflammatory activity of pumpkin seed oil. For this aim, the oils obtained at 100 degrees C (PSO2) and 150 degrees C (PSO3) press temperature were compared with the cold press oil (PSO1). The application of press temperature at 150 degrees C caused a significant decrease in the amount of sterol, while the press application at 100 degrees C did not cause a significant change in the sterol composition. Total phenolic content, antioxidant capacity values, and individual phenolic content of PSO2 and PSO3 samples were significantly lower than those of PSO1. 30 mg/mL of PSO1, PSO2, and PSO3 samples exhibited a cytotoxic effect on the cells with an inhibition ratio of 75%, 48%, and 39%, respectively, indicating that press temperature reduced the cytotoxic effect of pumpkin seed oil. PSO1 showed anti-inflammatory activity ranged from 79% to 59%, while at the same concentrations PSO2 and PSO3 exhibited approximately from 58% to 49%. This study indicated that the bioactive properties of the cold press oil could be negatively affected by higher press temperature.