Pore development in chicken meat during deep-fat frying |
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Authors: | LS Kassama MO Ngadi |
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Affiliation: | Department of Bioresource Engineering, McGill University, 21111 Lakeshore, Ste Anne-de-Bellevue, Que., Canada H9X 3V9 |
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Abstract: | In this study, the effect frying oil temperature (FOT) and frying time on pore development was investigated during deep-fat frying (DFF) of chicken breast meat. The samples were sized to the following dimension: length×width×thickness=20×15×10 mm, and were fried at different FOTs (170°C, 180°C, and 190°C) in an industrial fryer for periods varying from 5 to 900 s. Oil uptake analysis was conducted by soxhlet extraction method with petroleum ether as the base extraction solvent. Pore development computation was based on the densities (bulk and apparent) measured after the end of each frying time with a fluid displacement pycnometry. The process variables significantly (P<0.01) influenced pore development in chicken meat during DFF. The final oil uptake was found to have influenced pore development. A goodness-of-fit test suggest linear model fitted well to the pore development and moisture loss experimental data while exponential model gave the best fit for pore development and oil uptake in chicken meat. A porosity of 0.28, 0.24 and 0.22 were found at FOT (170°C, 180°C, and 190°C), respectively. |
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Keywords: | Deep-fat frying Pore development Chicken breast Density Pycnometer |
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