Ruilong Plastic shapes your health
发布时间：
2020-02-09
The economy is developing rapidly, and plastic products have played a great role in facilitating our lives. However, while pursuing the convenience and affordability of plastic products, people may reduce the requirements for health and safety.
Wrong action: directly fill fish and vegetables with colorful plastic bags
Health reminder: mostly for recycling or containing carcinogens
Every morning, Li Long, who lives on Jiayu Road, goes to the fresh vegetable market to buy ingredients, and from time to time he also buys fritters, buns and other breakfast. "Now I go to the grocery market to buy food. Black plastic bags of fish, yellow plastic bags of fruit, white bags of churros ... convenient." Li Long said that in her kitchen, large and small can be cleaned up every day. Plastic bags.
Yang Daiming, director of Hunan Food Quality and Safety Technology Association, introduced that the main components of plastic bags are polyethylene, polyvinyl chloride, polyester, polypropylene, etc. According to the different components of plastic bags, China uses different labels to distinguish them, such as PET, HDPE , PVC, etc.
The reporter learned during the visit that the plastic bags commonly used in farmers' markets are basically not labeled. They were purchased by wholesalers in the wholesale market according to the weight and characteristics of the food, and they did not distinguish between food and non-food. Some plastics There was a pungent smell as soon as the bag was opened.
In the production process, plastic products can be recycled and recycled. An important part of this process is the processing of colorants. Colorants that do not meet the quality standards will cause the occurrence of benzopyrene and heavy metal content in plastic bags. If you use these plastic bags directly for food, there are potential health risks. In this regard, experts suggest that citizens should bring their own environmentally-friendly shopping bags when shopping for food, while reducing environmental pollution and reducing food pollution; if plastic bags must be used, try to choose white or colorless and transparent, and avoid using deep Color, black plastic bag.
12 o'clock
Wrong action: cooking oil and cooking wine in mineral water bottles
Health alert: plasticizer migration may pose safety risks
Not long ago, relatives of Li Meng brought her a large barrel of tea oil and a large barrel of rice wine. For easy storage, she washed five or six 1-liter bottles of mineral water and divided the oil and wine into small bottles. Every day when she cooks, she pours on some, and finds it convenient and takes up no space.
"Many citizens use mineral water bottles as wild containers for wine, oil, and even some chemicals. As everyone knows, there are hidden safety risks hidden in them." The food production department of Changsha Food and Drug Administration is responsible. People say that there are two types of plastic products-soft plastic and hard plastic. The main component of a mineral water bottle is polyester. Its heat resistance range is up to 65 ° C and cold resistance is up to minus 20 ° C. It is only suitable for warm or frozen drinks. It is easy to deform when it is filled with hot liquid or directly heated.
In addition, a plasticizer is added to the mineral water bottle to make the bottle soft during the production process. Plasticizer is a small molecular substance, which is an ester-soluble substance. It is insoluble in water, but soluble in oil or ethanol. People often hear the word "migration", that is, when edible oil and cooking wine are packed in mineral water bottles, the plasticizer in the bottle is "tempted" by oil and ethanol, and can "run" to food Oil and cooking wine. And long-term consumption of foods that exceed the plasticizer may cause harm to the human reproductive system and immune system, and large amounts of intake may cause cancer.
Wrong action: microwave oven to pack crayfish, roast duck
Health Reminder: Don't heat food directly with packing box
At noon yesterday, Zhao Ruirui packed crayfish and roast duck. At dinner time, in order to wash a few dishes, she put the disposable packing box directly in the microwave to heat it. Within two minutes, the hot crayfish and roast duck were served.
According to Miao Hong, member of the National Food Safety Standards Review Committee and expert in formulating standards for takeaway food box series, the lunch box that can be used for microwave oven heating will have the word "PP". Its main component is polypropylene and heat resistant The temperature can reach 120 ° C. When consumers use microwave ovens to heat packaged food, they must first confirm whether there is "PP" on the lunch box. It is best to put the food in a container that can be used for microwave oven heating.
It should be reminded that, compared with other plastic products, the cost of plastic lunch boxes made of "PP" is relatively high. Some production units will "make ideas" on the lid to use non-professional PP materials to reduce costs. The latter is not resistant to high temperatures, so it is best to remove the lid of the lunch box when heating food.
Miao Hong reminded that one of the commonly used fast food boxes is marked with "PS", which is not suitable for heating in a microwave oven. The main ingredient of this material's snack box is polystyrene. When the temperature of the food it contains exceeds 70 ° C, it will release toxic substances. Therefore, consumers are advised not to pack hot foods in fast food boxes of this material when packing.
Wrong action: microwave oven heating boxed milk
Health reminder: heating with hot water is safer
"It turned out that my approach has always been wrong." The Dutch and Dutch mothers found a wrong behavior after seeing a popular science article about heating milk two days ago. It turned out that Holland had the habit of drinking a glass of milk before going to bed at night. When the temperature is not high, Mommy Holland always feels that the milk in the box is too cold, so she heats the milk in the microwave for 10 seconds.
Qu Jizhong, a nutritionist at the Fourth Hospital of Changsha City, said that this approach is harmful to health, mainly because the inner wall of the carton milk packaging box is covered with a layer of low-density polyethylene plastic film. Although this film has good water barrier properties, when the heating temperature exceeds 110 ° C, hot melt phenomenon will occur, and some plastic preparations that the human body cannot metabolize will precipitate. So the correct way to heat the boxed milk is not to put it in a microwave oven, but to heat it in hot water.
However, Yang Daiming also said that it is unscientific to talk about food safety risks without dosage. It cannot be said that a certain harmful substance is found in the food, and this substance is harmful. It is necessary to analyze and judge based on factors such as the consumption dose and contact time.
Ruilong Plastic, specializing in plastic packaging, production of PVC bags, shockproof bags, ordinary bags, composite bags, welcome to consult and negotiate.
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