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Mohanavidhya,
- Assessment of Physicochemical Parameters and Storage Stability of Reused Oils
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Authors
Affiliations
1 Department of Foods and Nutrition, Vellalar College for Women, Erode, Tamil Nadu, IN
1 Department of Foods and Nutrition, Vellalar College for Women, Erode, Tamil Nadu, IN
Source
FoodSci: Indian Journal of Research in Food Science and Nutrition, Vol 2, No 2 (2015), Pagination: 49-55Abstract
Oils are obtained from nuts and seeds of plants such as corn, groundnut, soyabean, olive, sunflower, cotton seed, palm, coconut and rape seed. Oils are extracted from the nuts or seeds by crushing and by the use of solvent extraction [1]. Deep fat frying is a popular food preparation method, where thermal stressing of polyunsaturated fatty acid, generates high levels of cytotoxic aldehydic products, arising from the fragmentation of conjugated hydroperoxydiene precursors. Such aldehydic compounds are damaging to human health [2]. Cooking oil is chemically decomposed in the cooking process and this decomposition leads to a deterioration in cooking quality, if the oil is kept in use for a long time [3]. Hence the present study was undertaken to assess the physicochemical parameters and storage stability of reused groundnut and palm oils. Results showed that physiochemical characteristics of oil were altered during repeated frying and storage and the changes in sensory attributes were also observed.Keywords
Free Fatty Acid, Iodine Value, Physiochemical Characteristics, Saponification Number, Specific Gravity.Full Text
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