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Journal of Agricultural Science and Technology، جلد ۱۸، شماره ۶، صفحات ۱۵۳۱-۱۵۴۲
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عنوان انگلیسی Effect of Roasted Sesame Oil on Qualitative Properties of Frying Oil during Deep-Fat Frying
چکیده انگلیسی مقاله In this study, sesame seed was firstly roasted at 216.8°C for 19.3 minutes and its oil was then extracted. Commercial Frying Oil (CFO) was blended by 10, 20, and 30% Roasted Sesame Oil (RSO) and used in deep-fat frying to prepare potato chips. The process was performed daily at 180oC for 1 hour, in five consecutive days. Frying performance of the oils was evaluated by the measurement of parameters such as peroxide value, Oxidative Stability Index (OSI), Total Polar Compounds (TPC) and fatty acids profile. The results showed that roasting had a great positive influence on phenolic compounds content (21 times) and oxidative stability (3.6 times) of sesame oil. During frying, the level of TPC increased significantly as an increasing rate of 27, 22, 21, 23.2, and 29% was obtained for RSO-10%, RSO-20%, RSO-30%, CFO-Tert-ButylHydroQuinone (TBHQ), and CFO, respectively. The OSI significantly decreased and, in the fifth day of frying, CFO-TBHQ had the highest OSI of 10.6 hours followed by RSO-30% (8 hours). By increment in RSO concentration, the antioxidant capacity of frying oils was elevated, although commercial frying oil containing TBHQ exhibited higher activity than RSO-30%.
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نویسندگان مقاله m برجیان بروجنی | borjian borojeni
department of food science and technology, science and research branch, islamic azad university, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

a گلی |
department of food science and technology, college of agriculture, isfahan university of technology, isfahan 84156-83111, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

m gharachourloo |
department of food science and technology, science and research branch, islamic azad university, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

نشانی اینترنتی http://jast.modares.ac.ir/article_15299_7d71fcee27a15d0eea2b1c2721c42f03.pdf
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