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  • Title: Food Processing by Irradiation—–An effective technology for food safety and security.
    Author: Gautam S, Tripathi J.
    Journal: Indian J Exp Biol; 2016 Nov; 54(11):700-7. PubMed ID: 30179388.
    Abstract:
    Radiation processing of food involves controlled application of energy from ionizing radiations from radioisotopes (Cobalt-60 and Caesium-137), electron beam (≤10 MeV) or X-rays (≤5 MeV) in an irradiation chamber shielded by 1.5 - 1.8 m thick concrete walls. Food, either pre-packed or in-bulk, placed in suitable containers is sent into the chamber through an automatic conveyor. Major benefits achieved by radiation processing of food are inhibition of sprouting of tubers and bulbs, delay in ripening and senescence of fruits and vegetables, disinfestations of insect pests in agricultural commodities, destruction of microbes responsible for food spoilage, and elimination of food pathogens and parasites of public health importance. Irradiation produces very little chemical changes in food, and the changes are similar to those by other preservation methods like heat. The radiolytic products and free radicals produced are identical to those present in foods subjected to treatments such as cooking and canning. None of the changes known to occur have been found to be harmful. Radiation processing of food has been approved by various international statutory bodies and organizations to ensure ‘Food Security & Safety’, and overcome ‘Technical barrier to International Trade’ and currently is being practiced in more than 60 countries worldwide.
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