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Published on: June 6, 2017
Physicochemical properties and oxidative stabilities of mealworm (Tenebrio molitor) oils under different roasting
Yu-Ho Jeon1, Yang-Ju Son1, Soo-Hee Kim2
11Department of Food and Nutrition and Research Institute of Human Ecology, Seoul National University, Seoul, 08826 Korea.
Abstract:
Physicochemical properties and oxidative stabilities of mealworm (Tenebrio molitor) oils under different roasting conditions were investigated. Oils were extracted using n-hexane from mealworms roasted at 200°C for 0, 5, 10, and 15 min and physicochemical properties and oxidative stabilities of oils were analyzed. Roasting increased the color intensity and the oleic acid and δ-tocopherol contents, but decreased linoleic acid, and α- and γ-tocopherol contents. An improvement in oxidative stability was observed in roasted mealworm oils, demonstrated by induction time and peroxide values. Mealworm oil contained abundant essential fatty acids and exhibited a superior oxidative stability.
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