When using a microwave to heat the purple sweet potato, the molecular movement is slow and the heating starts from the heart of the purple sweet potato. As a result, the water vapor cannot disperse and the purple sweet potato will burst.

Foods that cannot be heated in microwave ovens

1. Do not cook raw eggs with shells and eggs with membranes: Eggs with shells or hard-boiled eggs are not suitable for use in microwave ovens. Used for heating. Leaving aside the loss of nutrients, if you use a microwave oven to heat eggs with shells or unbroken yolks, it will easily cause damage to the microwave oven. In severe cases, it will explode, injuring others and yourself, and the consequences will be disastrous.

2. Fried and stir-fried foods are not suitable for heating in microwave ovens. Because this kind of food has lost very little water in traditional cooking. If you "warm" it in the microwave for a few more minutes, it will only "add insult to injury" and have no nutrition at all.

3. Food in sealed bottles and cans cannot be heated: The sealing property of this kind of food is too high. After overheating in a microwave oven, it will expand rapidly, which will cause the food to taste bad and become bad, which may cause serious serious injuries. Microwave ovens can also explode.

Extended information:

Purple sweet potato nutritional value

In addition to the nutritional advantages of general potatoes, purple sweet potato is very rich in micronutrients such as potassium and iron. Its health effects are significantly improved. Rich in anthocyanins. Purple sweet potatoes get their color from anthocyanins, which are natural and powerful free radical scavengers. High in fiber content. Purple sweet potato has high fiber content.

The selenium and iron in purple sweet potato are necessary elements for the human body to resist fatigue, anti-aging, and replenish blood. Selenium, in particular, is known as the "anti-cancer king". It is easily absorbed by the human body and can remain in the serum. Repair the myocardium, enhance the body's immunity, remove free radicals in the body, inhibit the synthesis of DNA in cancer cells and the division and growth of cancer cells, and prevent the occurrence of gastric cancer, liver cancer and other cancers.

Baidu Encyclopedia--Purple Sweet Potato

People's Daily Online--Purple sweet potato is rich in vitamins and you might as well make purple sweet potato porridge every day

People's Daily Online--Microwave heating food Learn some foods that should not be used in microwave ovens