The doctor said that there is a layer of plastic film on the surface of the carton in contact with the food. When the high-fat part of the food and the oil droplets seep out, it will cause uneven heating. If the chemical agent is used, it will dissolve into the fat of the food; schematic diagram.

(The picture is taken from photoAC)

[Health Channel/Comprehensive Report] Whether it is overnight dishes, lunch boxes, or microwave food in convenience stores, many people use microwave ovens to heat them, but you know that improper use may directly "imprint" environmental hormones into food.

The doctor said that there is a layer of "coated" plastic film on the surface of the carton in contact with the food. When the oily parts of the food ooze out, the heating will be uneven. Contains plasticizers, which will dissolve into the fat of food.

Huang Shigang, the chief physician of the Pediatric Endocrinology Department of Aiqun Children's Growth Clinic, posted on the Facebook page "Just Good Physician-Pediatric Endocrinology Dr. Huang Shigang" that plastic products are really ubiquitous. Some tableware that is thought to be made of paper actually contains plastic ingredients. .

Taking the most common paper lunch box as an example, pure paper cannot hold water or oil, and the reason why paper lunch boxes can hold oily and watery food is that there is a layer called "coating film" on the surface of the paper box and food. "The plastic film is both waterproof and oil-proof.

Please read on...

Huang Shigang said that although the coating has a certain degree of heat resistance, when the carton and food are put into the microwave oven to be heated together, the high-fat parts of the food and the oil droplets seep out, resulting in uneven heating, and the oil temperature is likely to exceed The load of the film inside the carton.

In addition, if the manufacturing process of the paper lunch box is not strictly controlled, if the coating contains fat-soluble environmental hormones such as plasticizers, then when the coating is damaged, the environmental hormones will dissolve into the fat of the food .

Therefore, during the entire heating process, the microwave oven will become a printer of environmental hormones, "printing" toxins into the food.

Therefore, do not put the purchased food in the microwave oven together with the carton provided by the merchant for heating.

Huang Shigang reminded that at present, the coating material inside the paper lunch box is mostly PP (polypropylene), LDPE (low-density polyethylene), HDPE (high-density polyethylene). Although "theoretically" does not contain plasticizers, many paper lunch boxes The material of the coating is not marked on the lunch box, and this part is not easy to check, so it is the best policy to avoid it if you can.

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keywords

  • Plasticizer

  • food safety

  • Micro-wave oven

  • environmental hormones

  • Coating

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