Yes.

The harm of self-heating rice to the body: lack of vitamins and many additives, it is recommended to eat more fresh fruits and vegetables to ensure a balanced diet; self-heating rice is preservative and may add preservatives (carcinogens); food Long-term storage will produce some bacteria and nitrites (carcinogens);

The lunch boxes are unhygienic, especially when heated, more or less harmful substances will be produced; the nutrition is not comprehensive. If you have a choice, it is recommended to eat freshly cooked meals. Although self-heating rice is very convenient, it is recommended not to eat it for a long time.

Origin and Development

Rice is one of the most important food crops in the world and a staple food in Asian countries. More than half of the world’s population depends on rice as their staple food. In our country More than two-thirds of the population eat rice as their staple food, which plays an important role in people's lives. With the improvement of living standards and the acceleration of work pace, the demand for convenience food is increasing day by day, and the convenience of rice as a staple food has become a development trend.

However, the instant rice produced generally has poor rehydration properties, and the taste and rehydration speed are quite different from traditional rice. There are many factors that affect the quality of instant rice. The aging phenomenon that occurs during storage is an important factor affecting the quality of instant rice.

During the storage process of instant rice, the characteristics of rice starch will change to varying degrees. These changes include: self-organization of starch molecules, formation of crystals, decrease in viscosity, weakening of molecular flexibility, and gel hardness. Rise, etc., these phenomena are all aging characteristics of starch. The occurrence of these changes will have an important impact on the quality of instant rice.

Reference for the above content: People's Daily Online - Is instant rice more nutritious and hygienic than takeout? This may not be the case

Reference for the above content: People's Daily Online - Is self-heating rice hot pot really safe?

Reference for the above content: Baidu Encyclopedia-Instant Rice