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During irradiation, gamma rays, x-rays, or high-energy electrons pass through the food, destroying or inactivating bacteria and viruses that cause foodborne illness.28-Feb-2022
How is radiation used in food?
Food irradiation uses ionizing radiation to reduce bacteria, molds and other pests in food. Irradiation breaks chemical bonds to stop bacteria and other pathogens from multiplying.
How does radiation sterilize food?
When food is irradiated, it absorbs energy. This absorbed energy kills the bacteria that can cause food poisoning in a similar way that heat energy kills bacteria when food is cooked.
Is food treated with radiation safe?
The FDA has evaluated the safety of irradiated food for more than 30 years and has found the process to be safe. The World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC) and the U.S. Department of Agriculture (USDA) have also endorsed the safety of irradiated food.
Do they put radiation in food?
Food irradiation is a process that uses ionizing radiation to prevent foodborne illness (“food poisoning”) and food spoilage. Food is passed through a radiation beam–like a large flashlight–to kill bacteria, molds and other pests in food.
What type of radiation is used in food irradiation?
Radiation for the treatment of food is achieved through the application of gamma rays (with Co-60 or Cesium-137 radioisotope), electron beams (high energy of up to 10 MeV), or X-rays (high energy of up to 5 MeV). Radiation principles explain how the gamma rays, e-beams and X-rays interact with matter.
Why is food irradiation not used in the US?
But radiation isn't commonly used to treat most foodstuffs in the U.S. because of cost, consumer wariness and the worries of some about its long-term safety.
Does the radiation from treating foods and Mail last?
Ionizing radiation can extend shelf life and improve the quality and safety of foods. National and international organizations and regulatory agencies have concluded that irradiated food is safe and wholesome. A brief background of the food irradiation issues leading to these conclusions is given.
Does cooking remove radiation?
When cooking meat or fish, the amount of radioactive materials can be halved by discarding the cooking liquid. It is known that the removal rate is higher when boiling or cooking than grilling them.
Why are people against food irradiation?
Research also shows that irradiation forms volatile toxic chemicals such as benzene and toluene, chemicals known, or suspected, to cause cancer and birth defects. Irradiation also causes stunted growth in lab animals fed irradiated foods.
