Preparation of Sweet Potato Chips by Combined Method in Different Thicknesses

Silvana N. Oliveira, Mário E. R. M. Cavalcanti Mata, Maria E. Duarte, Raimundo Bernadino Filho, Andréia G. C. Rosal, Marteson C. S. Camelo, Cícera G. C. Lisboa, Alisson B. B. Sousa and Vanessa M. S. Santiago

Journal of Agricultural Science, 2024, vol. 11, issue 5, 296

Abstract: The objective of this research was to prepare sweet potato chips (Ipomoea batatas L.) in three different thicknesses (0.75, 1.25 and 1.75 mm) using a combined oven drying and frying process at three different temperatures (60, 70 and 80 °C) and to evaluate its centesimal composition, water content and texture (rupture resistance). The water and ash contents increased as the thickness increased and the opposite effect was observed for the lipids that reduced with increasing thickness. For the absorption of fat and calories, the chips presented varied values that can be attributed to the fact that the chips did not undergo the process of exhaustion after the frying. The highest values of rupture resistance (RR) were observed for the chips of 1.75 mm and the absorption of fat and water content interfered directly in this resistance. The sweet potato chips with lower caloric value were those that had drying at 60 °C in the thicknesses of 0.75 and 1.75 mm, however the best sample were chips with 0.75 mm thickness by the drying treatment at 60 °C combined with frying, taking into account the values of water content, calories and fracture.

Date: 2024
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