The slow cooker can be said to be a tool that is very popular among young people. Because compared with other products, the slow cooker is more convenient to use and saves more time. However, if you are familiar enough with the product of the slow cooker, you will know that the slow cooker is not all advantages, but also has many disadvantages. Today, we will tell you about the principles and harms of the slow cooker. Principle of stewing pot As I said just now, the slow cooker uses boiling water to cook food. This is a bit like the thermos we usually use, but I have never heard that a thermos can cook food. So what is the key to cooking food in a slow cooker? It turns out that the slow cooker uses three layers of insulation, so that the boiling water poured into it can remain at a high temperature close to boiling water temperature for a long time, so that the food in the pot can be naturally cooked. The first is the lid. The lid of the stewing pot is made of special materials and can be perfectly closed with the pot body to form a perfect closed environment. This will greatly reduce the loss of water temperature in the tank due to heat transfer and achieve the first layer of insulation effect. The second trick to keep the food warm is the vacuum layer inside the can. Heat can be transferred from a high-temperature object to a low-temperature object through transfer, but this process requires a carrier. Generally, water exposed to the air will transfer heat to the air, but in the stewing pot, its unique vacuum interlayer design perfectly reduces this process, so that the temperature of the boiling water in the stewing pot will not be lost, achieving an excellent insulation effect. The third heat preservation design is the metal shell of the stew pot. Metal can prevent the propagation of radiant heat, that is, the design of the metal shell is specifically to prevent the temperature of the boiling water from dropping due to radiation. How to use a stewing pot? The harm of a stewing pot With this design, the heat preservation effect of the stewing pot is amazing. The water in the pot can be kept at high temperature for a long time, so it is no problem to stew the food. How to use a stew pot So how should you use a slow cooker? The use of the slow cooker is very simple. First, wash the ingredients you have chosen and put them into the slow cooker. Then just pour in enough hot water and simmer for three to four hours. Here is also a little trick. Before using the slow cooker, you can scald the slow cooker with boiling water, cover it with the lid and simmer for a while before using it. This can ensure that the food is cooked thoroughly. The harm of stewing pot However, many people worry that the slow cooker is harmful. In fact, there is no need to worry, because the slow cooker itself is non-toxic. It uses boiling water to cook food instead of generating heat through chemical means, so it is not toxic. Moreover, the high temperature maintained by the slow cooker can kill most bacteria and ensure your food safety. I believe everyone is aware of the advantages of a slow cooker, but it is only suitable for making soups and porridge, so it should be used appropriately. |
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