Foods that should not be heated in the microwave, according to experts

Foods that should not be heated in the microwave, according to experts

September 2, 2025 – 19:04

Next, a list of meals which are not compatible with this appliance and that could present health risks.

He microwave It is one of the most used appliances in the kitchenhowever, Not all foods are safe to reheat over there. Can be generated from bacteria to the release of chemical compounds by heatwhich represents a health risk.

According to Food and Drug Administration of USA and the Organization of consumers and users (OCU) Incorrectly reheat food can cause poisoning and the Loss of nutrients since microwave They do not heat up uniformly. This lack of homogeneity causes some bacteria to survive and, in certain cases, harmful compounds are formed.

Rice 1.jpg

One of the main foods that should not be reheat in the microwave is rice.

One of the main foods that should not be reheat in the microwave is rice.

Foods that should not be reheat in the microwave

American Journal of Epidemiology and National Institute of Health recommends not reheating these meals:

  1. Cooked rice: It can contain bacteria that survive heat and cause vomiting or diarrhea.
  2. Raw or poorly cooked chicken: The microwave does not eliminate bacteria like Salmonella and Campylobacter.
  3. Cooked eggs: accumulate steam inside and can explode.
  4. Cooked potatoes at room temperature: They develop Clostridium botulinum, a bacterium that causes botulism and that can enter the organism through poorly heated foods.
  5. Vegetables: For example, spinach or chard. Its nitrates can be transformed into nitrosamine, potentially carcinogenic substances.
  6. Fruits with abundant water: For example, grapes. It is common that they exploit for internal pressure.
  7. Meals with spicy: They release capsaicin vapors that can irritate the eyes and throat.
  8. Processed meats: When reheating they generate compounds that with long -term consumption affect the cardiovascular system.

On the other hand, it is important to know that Not all containers serve to reheat food. Recommendations to take into account, according to the OCU.

  • Reheat with containers with the “Apt for microwave” label.
  • Avoid recycled plastic containers.
  • Reheat in glass or ceramic containers.
  • Cover the containers with microwave designed tapas. Never with aluminum foil.

Source: Ambito

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