Reheating changes the moisture content and structure of food often making it tough or bland.  

 

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Food

3 Foods That You Should Never Reheat

Repeated cooling or reheating can put the food in the temperature danger zone where pathogens survive and thrive.

Renu Baliyan

Many people love to reheat their foods as eating warm food is a common practice. However, there are 3 food groups that should never be reheated as they turn toxic. They lead to build up of ama, undigested metabolic waste in your system, which can impact your overall organ health. Ayurvedic expert Dimple Jangda shared foods that you should avoid reheating.

Many people love to reheat their foods as eating warm food is a common practice. Reheating the food can bring down the nutritional value, change the taste, texture, and enhance the risk of foodborne illness in case bacteria are allowed to multiply. The most significant rule is to remember the 2-2-2 rule, implying to get the leftovers into the fridge within 2 hours and eat or freeze them within 2 days.  

It is worth noting that repeated cooling or reheating can also put the food in the temperature danger zone where pathogens survive and thrive. Also, when food reaches a high temperature, some particular bacteria like Bacillius Cereus in rice can generate heat-resistant toxins that can may cause food poisoning.

Excessive exposure to heat kills heat-sensitive nutrients, especially vitamin C, B-vitamins, and key antioxidants. Reheating also changes the moisture content and structure of food often making it tough or bland.  

Recently, Ayurvedic expert Dimple Jangda took to her Instagram account and shared 3 foods that you should never reheat. Sharing the post, the expert said, “Here are top 3 foods that should never be reheated as they turn toxic and stress your digestive system and your detoxifying organs! The third food is the most common mistake we make.” 1

Foods You Should Never Reheat

Dimple Jangda said, “3 food groups that should never be reheated, they turn toxic. They lead to build up of ama, undigested metabolic waste in your system, which can impact your overall organ health. The third one will surprise you.”

1. Spinach: The health expert said, “spinach is rich in nitrates, comes from good soil and the fertilizers. But, when you reheat a spinach-based dishes like palak paneer or something of that sort cooked in Indian traditional households, they start releasing nitrites and nitrosamines. Now these are dangerous and unhealthy because they start binding with the hemoglobin in your body, obstructing the oxygen flow to your various organs. It can also lead to bloating, indigestion, nausea, and food poisoning symptoms.”

In fact, there are studies, that show when you microwave spinach-based dish again, a second time, it leads to 50-100% spike of nitrates and also reduces the lutein, which is the anti-oxidant property, by almost 50%. So, you are losing your nutrients by 50% and you are spiking the nitrites, which is extremely unhealthy for your body, added the expert.

2. Potatoes: Dimple Jangda recommended to “never reheat potatoes.” They turn toxic and can lead to nausea, diarrhea, and food poisoning symptoms. Reason being, when you cook potatoes within one hour of it reaching room temperature, there is a bacteria that called bacillus cereus or clostridium, that starts thriving in these simple starches. Potato contains simple starch, which is home to nutrients and nourishment for these bacteria. They start multiplying, releasing spores and these are heat resistant toxins.

When you reheat potato, they still survive and they can lead to mycotoxins and aflatoxins, which damage the kidney and liver, which are your detoxifying organs. That is why deep-fried potatoes are forbidden in Ayurveda because they are tamasic. They also release acrylamide, which is extremely unhealthy and carcinogenic in nature. Potatoes should always be cooked fresh and consumed immediately.

3. Mushrooms: You take a cooked mushroom dish and reheat it, it degenerates the protein and breaks it down into peptides. And, this starts taxing and stressing the pancreatic enzymes, causes heart strain, indigestion, bloating, gas, and flatulence. And, you wonder why you always feel sick? If you do not have time to cook fresh foods three times a day.

You can cook them fresh once in the morning and consume the same food for breakfast, lunch, and dinner. Make sure to have simple foods in your diet that are freshly cooked, sautéed, blanched, and steamed. You can even have Buddha bowl with some boiled rice, some sautéed vegetables, and some boiled beans like lentils and pulses for protein. Make sure it is a balanced meal.  

FAQs

Which foods should never be reheated and why?

The top three foods you should never reheat are spinach, potatoes, and mushrooms. Reheating spinach releases harmful nitrites and nitrosamines, which obstruct oxygen flow and reduce antioxidant content. Potatoes develop heat-resistant toxins from bacteria like Bacillus cereus, posing risks of food poisoning and organ damage. Mushrooms break down proteins upon reheating, stressing digestion and causing indigestion and gas.

What risks are associated with reheating potatoes?

Reheating potatoes can lead to the growth of Bacillus cereus bacteria that produce heat-resistant toxins causing nausea, diarrhea, and food poisoning symptoms. These toxins may damage detoxifying organs like the liver and kidneys. Additionally, reheated potatoes can release carcinogenic acrylamide, making fresh consumption necessary.

How does reheating spinach affect its nutritional value and safety?

Reheating spinach increases nitrites and nitrosamines, which are harmful compounds that interfere with oxygen transport in the body. Studies show microwaving spinach twice can spike nitrates by 50-100% and reduce the antioxidant lutein by almost 50%, diminishing nutritional benefits and increasing health risks.

Why is reheating mushrooms considered harmful to digestion?

Reheated mushrooms degrade their proteins into peptides that stress pancreatic enzymes, causing indigestion, bloating, gas, and flatulence. This protein breakdown can make you feel unwell and strain digestive and cardiac functions, so fresh consumption is recommended for better health.

What is the 2-2-2 rule for safely handling leftovers?

The 2-2-2 rule advises refrigerating leftovers within 2 hours of cooking, and consuming or freezing them within 2 days to prevent bacterial growth. Repeated cooling or reheating increases the risk of pathogens surviving in the temperature danger zone, so following this guideline helps maintain food safety.

References

  1. Ayurvedic expert Dimple Jangda via Instagram| 3 Foods That You Should Never Reheat

Disclaimer: This content is for general informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider with any questions about your health or treatment options.

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