What harm do old popcorn and new popcorn do to people?

The main harm of old traditional popcorn is lead, while the new popcorn has high calories.

1. Old-fashioned traditional popcorn: Although the fat content of traditional popcorn is not high, the traditional small converter may release lead at high temperature. The reason is that the sealing layer of traditional small converter is made of lead-containing cast iron. Because the melting point of lead is only 327.4℃, when heated to 400℃~500℃, a large amount of lead vapor escapes.

When lead is absorbed by human body, it will do harm to nervous system, hematopoietic system and digestive system, easily lead to chronic lead poisoning, and also lead to children's loss of appetite, diarrhea, irritability, purple gums, decreased resistance and slow growth and development.

2. New popcorn: Modern production technology reduces the risk of lead harm to human body, but there are many additives, and a lot of margarine, essence and pigment are often added in the production process, which increases the energy and trans fatty acid content of popcorn, thus increasing the risk of cardiovascular and cerebrovascular diseases and zinc deficiency after eating.

Extended data:

Precautions:

Popcorn is a high-calorie food because it is high in fat and sugar, especially in saturated fat. In addition, high-temperature heating will destroy water-soluble vitamins and even produce some carcinogens, so it is not a healthy food. Popcorn sold in general cinemas may also have the risk of excessive sweeteners and pigments, and even the packaging may contain fluorescent whitening agents, which is considered to be a food safety hazard.

No matter what kind of popcorn it is, it is unhealthy. Try to eat less. Popcorn is not necessary, and ordinary popcorn is unhealthy, so it is not recommended in principle. In addition, diacetyl, a component in popcorn, is safe for normal use, but lung injury does exist in the case of long-term inhalation (such as popcorn factory workers or popcorn addicts).

People's Network-Give it up! Traditional popcorn contains lead, while new popcorn has high calories.

People's Daily Online-Nutritionist Gu Zhongyi: 1 1 Unknown thing about popcorn exposure.