Effects of temperature and moisture during semi-hermetic storage on the quality evaluation parameters of soybean grain and oil
DOI:
https://doi.org/10.5433/1679-0359.2016v37n1p131Keywords:
Glycine max, Storage, Refrigeration, Quality parameters.Abstract
The soybean (Glycine max (L.) Merrill) is the most cultivated oilseed in the world, being of major importance in food, feed and biodiesel production. The quality of the product being marketed is directly influenced by storage techniques, and the grain moisture, temperature and storage time are primarily responsible for most of the amendments. The aim of this study was to evaluate the effects of temperature and humidity during the semi-hermetic storage on chemical and technological parameters for assessing the quality of soybean. The kernels were stored for 12 months in semi-hermetic system with two combinations temperature (15 to 25 °C) and humidity (12 and 16%) and then evaluated for the occurrence of plagues, variations in humidity, levels of lipids and proteins, protein solubility, oil quality, carotenoids, color, enthalpy and thousand grain weight. The results showed that the increase in storage time leads to changes in chemical and technological parameters. The preservation of the parameters of acid oil and thousand grain weight was dependent reductions in moisture, while the incidence of pests, protein solubility, enthalpy, carotenoid levels and parameters of color preservation were preserved by reducing temperature.
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