Journal
FOOD CHEMISTRY
Volume 148, Issue -, Pages 86-91Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2013.10.012
Keywords
Cooking method; Kutum roach; Fatty acids; Vitamins; Minerals; Nutritional quality indices
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In this study, the influence of four cooking methods (baking, boiling, microwaving and frying) was evaluated on the nutritional value of kutum roach. Proximate, fatty acid composition, vitamin and mineral contents and also nutritional quality indices (NQI) of kutum roach were investigated before and after cooking treatment. All treated samples showed increase in protein, ash and lipid contents and decrease in the content of total omega-3 fatty acids (n-3) in comparison to raw fish fillets (control group). Cooking methods had no significant effect on omega-6 fatty acids (n-6) except for frying that increased it. Nonetheless, all of the cooking methods reduced vitamin B1, A and D contents. Boiling significantly decreased mineral contents including Na, P and Zn. Considering the overall nutritional quality indices, vitamin and mineral contents, baking is the best cooking method among other applied methods. (C) 2013 Elsevier Ltd. All rights reserved.
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