Alternately, ionizing radiation has also been used in food pres- ervation due to its power to deactivate microorganisms, bacteria and to eliminate parasites. Further, in some cases, ionizing radiation can lead to virus extermination and, depending on the dose, act fully against insects even when they are inside the grains. Besides, ionizing radiation is a physical process and, therefore, leaves no residue on the product and the related treatment requires less time in comparison to other physical or chemical methods. Food irra- diation is a physical method for conservation similar to refrigera- tion or freezing and it is also called cold pasteurization, since the