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Food heated repeatedly becomes ‘slow-poison’! Know which vegetables are the most dangerous
Samira Vishwas | November 22, 2025 2:24 AM CST

Foods You Should Never Reheat: Many vegetables and dishes lose their nutrition when reheated or some of the compounds present in them may take harmful forms. Many people have the habit of preparing too much food at one go and reheating it and eating it again and again. But today we will tell you in detail about how bad it can be for our health.

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Foods You Should Never Reheat

Which vegetables should not be reheated? (Foods You Should Never Reheat)

spinach

Spinach is very high in nitrate. On reheating, nitrate can convert into → nitrite and then → nitrosamine, which are considered harmful for the body. This is especially more risky for children.

Potato

When potatoes are reheated, their starch changes. There is also a risk of botulism bacteria increasing when improperly refrigerated or reheated. Taste also deteriorates and nutrients are reduced.

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mushroom

The protein in mushrooms is sensitive. Once cooked, heating them repeatedly causes the proteins to break down and form by-products that can cause stomach upset.

Beetroot

It also contains nitrates like spinach. There is a risk of nitrite formation when heated again.

Cabbage and Carrot

The amount of nitrate in these may also be high. When reheated, it can transform and cause harm, especially to children.

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This is the right solution (Foods You Should Never Reheat)

1- Prepare only as many vegetables as you want to eat.
2- Keep leftover food in the refrigerator within 2 hours.
3- Cool hot food a little and keep it in the refrigerator.
4- Do not reheat nitrate containing vegetables like spinach, beetroot, mushroom, cabbage, just eat them cold or throw them away.
5- Leave the habit of repeatedly heating in the microwave.

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