作者
CFP de Oliveira, SMA de Souza, Ernesto Acosta Martinez, AL da SR Guanais, CMR da Silva
发表日期
2013/5/29
卷号
34
期号
2
页码范围
729-740
简介
The umbu (Spondias tuberosa Arruda Câmara) is a fruit native of Northeastern semi-arid with large productive capacity and excellent nutritional characteristics that have been underused in the family farming of the region. Aiming to minimize post-harvest losses and add value to the fruit, this research has the objective of studying the osmotic dehydration process of umbu through a 22 factorial design, with independent variables: time of immersion (1-3 hours) and osmotic solution concentration (35-45°Brix). The dependent variables were: acidity (A), vitamin C (Vc), weight loss (PP), moisture loss (PU), solid gain (GS) and dehydration efficiency index (IED). The highest values for vitamin C, PU and FDI and lower GS were observed under conditions of higher immersion time (3 h) and lower concentration of the solution (35°Brix), associated with the fact that the process had been performed at room temperature.
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