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The international Radura logo, used to show a food has been treated with ionizing radiation. A portable, trailer-mounted food irradiation machine, c. 1968 Food irradiation (sometimes American English: radurization; British English: radurisation) is the process of exposing food and food packaging to ionizing radiation, such as from gamma rays, x-rays, or electron beams.
Irradiation of food [21] is the exposure of food to ionizing radiation. Multiple types of ionizing radiation can be used, including beta particles (high-energy electrons ) and gamma rays (emitted from radioactive sources such as cobalt-60 or cesium-137 ).
Irradiation is the use of ionising gamma rays emitted by cobalt-60 and caesium-137, or, high-energy electrons and X-rays to inactivate microbial pathogens, particularly in the food industry. Bacteria such as Deinococcus radiodurans are particularly resistant to radiation, but are not pathogenic. [1]
Radura. The Radura symbol serves as an international indicator that a food item has undergone irradiation. Typically depicted in green, it features a plant design within a circular outline, with the circle's top section represented by dashes. The specific design elements, including colors, can differ across various countries.
Food irradiation is another notable biological engineering process to achieve food safety. Research into the potential utilization of ionizing irradiation for food preservation started in the 1940s as an extension of studies on the effect of radiation on living cells. [15] The FDA approved usage of ionizing radiation on food products in 1990.
A low-pressure mercury-vapor discharge tube floods the inside of a biosafety cabinet with shortwave UV light when not in use, killing microbes on irradiated surfaces. Ultraviolet germicidal irradiation (UVGI) is a disinfection technique employing ultraviolet (UV) light, particularly UV-C (180–280 nm), to kill or inactivate microorganisms.
Health benefits of intermittent fasting may include: weight loss. lower risk of type 2 diabetes. improved heart and brain health. lower risk of cancer. reduced oxidative stress and inflammation ...
Irradiation is the process by which an object is exposed to radiation. An irradiator is a device used to expose an object to radiation, notably gamma radiation, for a variety of purposes. [1] Irradiators may be used for sterilizing medical and pharmaceutical supplies, preserving foodstuffs, alteration of gemstone colors, studying radiation ...