NUTRITION, PUBLIC HEALTH
The use of ionising radiation–at several orders of magnitude higher Gy than that delivered by diagnostic x-rays–to kill food-borne bacteria–e.g., Escherichia coli and beef parasites.
Despite the process’s FDA blessing, it is not in current use, largely due to fear mongering by the natural food movement.
Doses for food irradiation
• Spices and dry vegetable seasoning 30 kGy
• Dry or dehydrated enzyme preparations 10 kGy
• Fresh foods 1 kGy
• Poultry 3 kGy
• Red meat 4.5 kGy
• Red meat (frozen) 7 kGy
Synonyms Cold pasteurisation, electron beam pasteurisation