Health 23/10/2025 22:24

5 great foods that should not be stored in the refrigerator - the risk of aflatoxemia that causes cancer


Experts Advise Against Storing These 5 Foods in the Refrigerator, as It May Affect Your Health

Many people believe that putting food in the refrigerator is completely safe, but this is not always true. Some types of food, if improperly stored, can easily develop aflatoxin – a type of mold toxin that can cause cancer. Below are five foods you should avoid keeping in the refrigerator for long periods.

What is Aflatoxin?

Aflatoxin is a toxic substance produced by mold that can form when food is stored incorrectly, especially in humid environments. It has been classified by the World Health Organization (WHO) as a Group 2 carcinogen.

Aflatoxin often appears on the surface of grains, beans, and nuts. Consuming it can cause damage to the liver, kidneys, mouth, and mucous membranes. In severe cases, it can lead to acute poisoning with symptoms such as nausea, bloating, diarrhea, indigestion, and even fainting.

5 Foods You Should Not Regularly Store in the Refrigerator

1. Potatoes:
Storing potatoes in cold conditions can cause them to sprout and produce solanine – a toxic compound harmful to health. Additionally, the nutritional value of potatoes decreases when refrigerated.

2. Leafy vegetables:
Refrigerated vegetables wilt quickly, lose nutrients, and can produce nitrates and aflatoxin in a cold, humid environment – negatively affecting the liver if consumed frequently.

3. Tropical fruits:
Fruits like bananas, mangoes, and pineapples lose their flavor when refrigerated. Some may ferment and develop bacteria that produce aflatoxin.

4. Dried spices:
Pepper, star anise, cinnamon, and similar spices easily absorb moisture in the refrigerator, promoting mold and toxin formation. They should be stored in a dry, well-ventilated place.

5. Noodles:
Fresh noodles, in particular, are prone to mold contamination which produces aflatoxin. Reheating does not completely remove the toxin, which can harm digestion and the liver.

Effective Ways to Prevent Aflatoxin

Aflatoxin is a dangerous mold toxin, but you can prevent it with a few simple habits:

  • Do not eat moldy food:
    Especially nuts like peanuts, corn, and dried seeds. If there is an unusual smell or visible mold, discard immediately.

  • Clean the refrigerator regularly:
    A dirty refrigerator is a breeding ground for bacteria and mold. Clean it every 2–3 months.

  • Avoid overstocking food:
    Buy only what you need. Choose properly sealed packages and prioritize smaller sizes that are easier to store.

  • Store food correctly:
    Keep food in a dry, cool, and well-ventilated place. Homemade oils or peanut butter should be consumed quickly after opening.

In Conclusion

Not everything can be safely stored in the refrigerator. Proper storage is the key to preventing toxins and protecting your family’s health.

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