Irradiation cannot return spoiled or over-ripe food to a fresh state. When targeting bacteria, most foods are irradiated to significantly reduce the number of active microbes, not to sterilize all microbes in the product. Depending on the dose, some or all of the organisms, microorganisms, bacteria, and viruses present are destroyed, slowed, or rendered incapable of reproduction. Irradiation is used to reduce or eliminate pests and the risk of food-borne illnesses as well as prevent or slow spoilage and plant maturation or sprouting. In Austria, Germany, and many other countries of the European Union only dried herbs, spices, and seasonings can be processed with irradiation and only at a specific dose, while in Brazil all foods are allowed at any dose. The regulations for how food is to be irradiated, as well as the foods allowed to be irradiated, vary greatly from country to country. įood irradiation is permitted in over 60 countries, and about 500,000 metric tons of food are processed annually worldwide. In order for a food to be irradiated in the US, the FDA will still require that the specific food be thoroughly tested for irradiation safety. Department of Agriculture (USDA) have performed studies that confirm irradiation to be safe. Food and Drug Administration (FDA), the World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC), and U.S. In the US, consumer perception of foods treated with irradiation is more negative than those processed by other means. Food irradiation improves food safety and extends product shelf life (preservation) by effectively destroying organisms responsible for spoilage and foodborne illness, inhibits sprouting or ripening, and is a means of controlling insects and invasive pests. 1968įood irradiation (sometimes radurization or radurisation) is the process of exposing food and food packaging to ionizing radiation, such as from gamma rays, x-rays, or electron beams. A portable, trailer-mounted food irradiation machine, c. The international Radura logo, used to show a food has been treated with ionizing radiation. Sterilization of food with ionizing radiations for enhanced preservation and longer shelflifeĬobalt-60 irradiation facility is used to test irradiation as a tool to ensure food safety.
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