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Impact of pre-drying and frying time on physical properties and sensorial acceptability of fried potato chips

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Abstract

In this work the effects of pre-drying and frying time on colour, oil, texture and sensorial acceptability (overall liking) of potato chips were evaluated. Potato chips were pre-dried for 0, 10, 20 and 30 min at 60 °C and fried in soybean oil at 190 °C for 60, 70 and 80 s. The colour parameters (L*, a* and b*) increased or decreased depending on the pre-drying and frying time. Hardness increased as the pre-drying and frying time increased. On the other hand, the water initially removed by pre-drying decrease the gradient of mass transfer (water–oil). The oil content reduced to (about 21%) in pre-dried samples when compared to control sample. Finally, sensorial evaluation showed that samples without pre-drying and/or fried for very short or very long times had low acceptance levels. The pre-drying and frying times influenced the colour, texture, water and oil content, and resulted into fried potato chips with better acceptance scores.

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Acknowledgements

The authors are grateful to Cienciactiva for the M.L. Rojas Ph.D. (CONCYTEC, Peru; Contract 087-2016-FONDECYT) scholarship, from the ‘‘Consejo Nacional de Ciencia, Tecnología e Inovación Tecnológica”.

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Correspondence to Guillermo Linares.

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Cruz, G., Cruz-Tirado, J.P., Delgado, K. et al. Impact of pre-drying and frying time on physical properties and sensorial acceptability of fried potato chips. J Food Sci Technol 55, 138–144 (2018). https://doi.org/10.1007/s13197-017-2866-3

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  • DOI: https://doi.org/10.1007/s13197-017-2866-3

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