The rice cooker was invented in the 195s by Tokyo Communication Engineering Company in Masaru Ibuka, Japan, in order to reduce the time many families spend cooking.

The rice cooker is a cooker that converts electric energy into internal energy. It is convenient to use, clean and hygienic, and has many functions such as steaming, boiling, stewing and stewing food. Common rice cookers are divided into three types: automatic heat preservation type, timed heat preservation type and new microcomputer control type. Now it has become a daily household appliance.

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it is worth mentioning that although the rice cooker has a lot of functions, it is not suitable for cooking soup for a long time. This is true even for qualified rice cookers. Because the power of rice cookers is limited, it takes more time to cook soup. If the food is stewed for a long time, it will also precipitate some substances such as fat and purine, which is prone to hyperuricemia after eating, thus causing gout and other diseases.

Teflon coating is the PTFE material used in rice cookers. This material itself has good stability, is widely used in the inner liner of rice cookers, and has the characteristics of non-stick pan. Under normal use, only the high temperature above 25 degrees will decompose substances harmful to the human body, while the temperature of the rice cooker will generally not exceed 1 degrees Celsius during use, so the safety is relatively guaranteed.

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