Bibliographic citations
García, S., (2018). Optimización de la fritura de hojuelas de papa nativa (Solanum tuberosum sp.) aplicando el método de superficie de respuesta [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/3618
García, S., Optimización de la fritura de hojuelas de papa nativa (Solanum tuberosum sp.) aplicando el método de superficie de respuesta [Tesis]. : Universidad Nacional Agraria La Molina; 2018. https://hdl.handle.net/20.500.12996/3618
@mastersthesis{renati/244599,
title = "Optimización de la fritura de hojuelas de papa nativa (Solanum tuberosum sp.) aplicando el método de superficie de respuesta",
author = "García Torres, Silvia Melissa",
publisher = "Universidad Nacional Agraria La Molina",
year = "2018"
}
Puka Ambrosio potato is a native variety originally from Cuzco which, like other native varieties, is attractive for its nutrients, antioxidant properties and as a source of bioactive components such as polyphenols and anthocyanins. The aim of the present research is to optimize the frying process of Puka Ambrosio potato chips, in which the combination of time, temperature and chip thickness that maximize the retention of ascorbic acid was evaluated. The response surface methodology was applied with a Box - Behnken design. In the preliminary stage it was determined that the factors time and chip thickness have a significant effect in the reduction of the ascorbic acid content (P <0,05), for the tested levels. In the optimization stage it was observed that thickness and thickness-time interaction significantly affected the response variable (P <0,05), achieving a maximization of ascorbic acid retention with a combination of 200 seconds, 170 ºC and 2 millimeters, for frying time, frying temperature and chip thickness, respectively. In the proximate and bioactive components analysis, it was found that the frying process causes modifications in the physical and chemical characteristics of the potato chip, showing a reduction of the moisture content (22,2 percent) and an increase in the raw fat content (21,9 percent dry base). With regard to the content of bioactive components, an increase in the content of total phenolic compounds and the antioxidant capacity was observed (596,9 mg of chlorogenic acid equivalent / 100 g and 8308,9 μg of trolox equivalent / g, defatted dry base) and a decrease in the content of vitamin C and total anthocyanins (21,1 mg / 100 g and 33,6 mg of cyanidin-3-glucoside equivalent / 100 g, dry defatted base).
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