Microwave oven use taboo

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With its efficient and convenient features, the microwave oven has become an indispensable electrical appliance in the modern kitchen. Its working principle mainly relies on the microwave to excite the water molecules in the food to generate heat, so as to achieve rapid heating. However, not all items are suitable for use in a microwave oven. Improper use may not only damage food, but also bring safety hazards. This article will sort out the food and containers on the blacklist of those microwave ovens to help you avoid common misunderstandings and make technology a real boost to life.

(1)、food

1. food with shell or film

Eggs, chestnuts, sausages and other food must not be directly into the microwave heating. Microwave heating will quickly produce a large amount of water vapor inside the food, and the shell or film will form a closed space, resulting in a sharp rise in pressure and eventually causing an explosion. Therefore, it is best to heat this kind of food in the traditional way to avoid trouble.

2. high-fat and low-moisture foods

Bacon, pork, fried chicken and other fat-rich and dry food should not be heated by high heat and microwave for a long time. The microwave mainly acts on the water molecules in the food, and the direct heating efficiency of the oil is low. When the moisture in the food is quickly evaporated to dryness, the residual oil will heat up rapidly, far exceeding its smoke point, which can easily cause a fire or produce a large amount of harmful oil fume. At the same time, the high temperature will make the food coking, taste becomes dry hard chewy. To handle this type of food, an oven or pan should be used for precise temperature control.

3. small whole fruit

Small, juicy fruits such as grapes, blueberries, and cherry tomatoes should never be placed whole in the microwave. Their size and shape tend to form hot spots in the microwave field, accumulating large amounts of energy. When grapes are placed in pairs, the contact points may even produce plasma arcs, sparks or even open flames. The entire heated fruit increases in internal pressure and may explode like a small bomb. To heat fruit (e. g. to make jam), cut into small pieces, remove the core, and heat in a heat-resistant container.

4. dried chili

Dried chili is the dangerous nemesis of microwave ovens. It has very little water, in the high temperature environment of the microwave oven, it is easy to be burnt, or even directly burned, and then produce a lot of spicy and pungent smoke. The irritating chemicals in the smoke will instantly flood the kitchen, irritate the eyes and nose, and make people cough. If you want to dry chili, be sure to choose the oven low temperature drying mode or place it in a ventilated place to dry naturally, do not use the microwave oven.

5. food covered with plastic wrap

Food covered with cling film may pose a risk when heated by microwaves. High temperatures may melt the cling film and stick to the food. In addition, the plasticizer

(such as DEHP) in some plastic wrap may penetrate into food when heated, especially high-fat foods, and long-term intake may affect health. It is recommended to use a special microwave cover or paper towel cover, which can prevent splashing and allow steam to emit to ensure heating safety.

(2)、Container class

1. metal products

Metal utensils (including cutlery, tin foil, porcelain with Phnom Penh) should never be placed in the microwave. Metal will reflect microwaves, causing energy to be unable to be absorbed by food, and generate arc sparks at the edges or sharp points of the metal, which may damage the microwave oven magnetron and even cause a fire. When microwaves penetrate the metal, the accumulated charge on its surface may generate high temperatures, causing the vessel to deform or ignite the surrounding combustibles. When heating food, use microwave-specific glass or ceramic containers to ensure safety.

2. closed container

Sealed bottles, boxed milk, unopened cans, fully tightened fresh-keeping boxes, etc., are like a pressure bomb when heated by microwave. The steam generated by heating cannot be discharged, so that the internal pressure of the container continues to rise, which may eventually cause the container to burst. This will not only damage the microwave oven, splashing debris and hot food can cause serious injury. Even if the container is marked "suitable for microwave oven", the lid must be opened or a large enough vent hole must be left to release the steam pressure. Never try to heat any completely sealed package.

3. foam plastic products

Disposable foam lunch boxes (polystyrene) must never enter the microwave oven. It is a plastic that is not resistant to high temperatures. After microwave heating, it is easy to soften, deform or even melt. It may release harmful chemicals such as styrene, contaminate food, and endanger health after long-term intake. Unless the container is clearly marked with microwaveable No. 5 PP material, it should never be placed in, and the food should be transferred to the applicable tableware for reheating.

(3)、Microwave oven use tips

1. Food evenly spread in the container to avoid accumulation.

The heating time should not be too long, and the principle of "short-term multiple times" should be followed.

3. After the liquid is heated, let it stand for 1 minute and then take it out to prevent sudden boiling and scalding.

4. When heating food, try to use microwave oven special container.

Conclusion

In the kitchen, safety is the first priority. Microwave oven as a modern family's right-hand man, only in the correct use of the premise, can really provide us with convenience. By understanding which foods and containers are not suitable for microwave heating, we not only avoid possible dangers, but also better protect the health of our families.