engleski

Influence of drying air temperature on maize grain breakage

Along with wheat, maize is the most represented crop in Croatia. Due to the moisture in the drying process and big variety of hybrids, major technological changes are needed for utilisation of drying process. In order to determine the correct process for the dryer, the grain of FAO group 400 maize is used as a basis. This paper analysed 5 FAO 400 hybrids, single-phase dried at temperatures of 110 °C and 130 °C, with the grain moisture content of 24.89% to 36.26%. It was observed that the drying period depends on the hybrid regarding its morphological characteristics. Furthermore, grain damage in the study of dynamic fracture toughness ranged from 27.6% to 70.8% at an air temperature of 110 °C, and at an air temperature of 130 °C the fracture ranged from 30.4% to 74.0%, indicating that the strength of the grain depends on its morphological structure.

maize grain ; drying ; breakage ; FAO group

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