e-journal
Vertical operating prototype development supported radio frequency heating system in controlling rice weevil in milled rice
A prototype of radio frequency (RF) heating system of 27 MHz was developed to control rice weevil contamination in milled rice. The insects at all growth stages were completely eliminated at temperature of 50 and 55 ºC in all times of exposure. In addition, the heating treatment decreased significantly grain moisture content. Rice Physical quality: the color of treated rice at 50 ºC for 0 and 3 min showed no significantly differences. Therefore, this prototype can eliminate completely the rice weevils while maintaining the rice quality in terms of color, cooking qualities and minimal changes in flour viscosity analysis.
Keywords: Rice Weevil Control, Radio Frequency Heating, Vertical operating
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