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How to stay away from plasticizers Plastic bottles can not be used repeatedly


The so-called plasticizers, commonly known as plasticizers, are commonly used plastic additives. Adding this material to plastic processing can make it more flexible and easier to process. There are more than 100 types of plasticizers, the most commonly used are phthalates, such as di-n-butyl phthalate (DBP), di(2-ethylhexyl) phthalate ( DEHP) etc.

Clouding agent (thickener)

It is a legal food additive, usually made from a mixture of gum arabic, palm oil, and various food additives. Its main purpose is to help food emulsification and to improve product taste and other sensory qualities. It is mainly used in beverages and milk products. Legal clouding agents do not contain plasticizers.

Is plasticizer in plastic?

The role of plasticizer is to enhance the flexibility of plastics, such as polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), etc. itself has a good toughness, generally do not need to be processed Add plasticizers or add very little. However, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC) and other plastic materials are hard, in order to make the product has a certain degree of toughness, convenient processing and molding, these plastic processing requires adding a certain amount of plasticizer.

The amount of plasticizer used is limited. The Hygiene Standards for the Use of Additives for Food Containers and Packaging Materials stipulate that the specific migration (ie, the maximum amount of additives transferred from food containers, packaging materials, etc. into the foods in contact with them) of DEHP and DBP, or the maximum residue amount It is 1.5 mg/kg, 0.3 mg/kg. Furthermore, materials used only for contact with non-fat foods should not be used for materials that contact infants and young children.

Where does the plasticizer come from?

According to the National Food Safety Risk Assessment Center, plasticizers in foods mainly come from two aspects: First, plastic containers, pipes, packaging materials and sealing materials that come into contact with foods migrate into food; second, plasticizers in the environment The influence of foods, such as soil, plasticizers present in water, may enter the food chain and affect the food. In addition, some food additives such as flavorants may contain plasticizers.

The Ministry of Health stipulates that phthalate esters are plasticizers that can be used in food packaging materials. They are not food raw materials, nor are they food additives. It is forbidden to artificially add foods and food additives.


"Soy sauce" is not dangerous

Soy sauce in the end there is no plasticizer? Look at the production process of soy sauce. The technical staff of the 100-year-old Lee Kum Kee introduced that the traditional way of brewing was to ferment soybeans, flour and salt, without adding any spices or flavors. Wash the soybeans first and steam them with high pressure steam. The steamed soybeans were then mixed with flour and koji powder, accompanied by brine, and fermented naturally in a fermentation tank. The feeding pipe and soy sauce conveying pipe are made of stainless steel and prevent corrosion. Fermentation cylinders are made of glass fiber. This process can be said to have nothing to do with plasticizers, then look at packaging. At present, most soy sauces are filled with glass bottles. Some large-capacity plastic bottles are used. Plastic packaging uses PET material.

Common plasticizers are esters. The solubility of esters in oils and fats is the largest; followed by alcohols, such as liquor, etc.; the solubility of esters in water-based substances is small, such as various beverages and soy sauces. Wait. So to say “beating soy sauce” is not so dangerous to hit plastic bottles.

special reminder

Plastic bottles can not be used repeatedly

PET bottles are best to be discarded once they are used up. Do not use them repeatedly. Studies have found that 10 months after the PET plastic packaging container is used, DEHP may be released, which is a plasticizer. In addition, avoid placing the bottle in direct sunlight and near a stove with a high temperature, and do not use hot water or hot drinks. Some consumers use drink bottles to hold old wine, soy sauce, vinegar and other condiments.

Plasticizers harm to human health?

Some toxic plasticizers, such as DEHP, DBP, etc., may cause harm to human health. Peking University Peking Union Hospital, Endocrinology Professor Wu Xie said that according to the modern lifestyle that we have formed, it is almost impossible to completely avoid plasticizers, but it is not necessary to be overly nervous because the plasticizers that are exposed to normal life will not harm the human body. . Whether plasticizers will harm the human body depends mainly on the amount. According to the National Center for Food Safety Risk Assessment, the effect of plasticizers on human health depends on the size of their intake and the length of their intake.

International animal studies have shown that long-term high-dose intake of “plasticizers” interferes with the human endocrine system, as well as reproductive toxicity, such as impairing male reproductive ability and promoting female precocious puberty.

From the perspective of ensuring human health, according to research conducted by an authoritative international health and health assessment agency, adults will have a daily intake of no more than 3 milligrams of DEHP and an intake of DBP of no more than 0.6 milligrams, which will not cause health hazards.

How to stay away from plasticizers?

After understanding the plasticizers, we do not need to talk about “plastic” discoloration, and it is not necessary to “keep away from” all plastic products. According to previous experts, whether plasticizers will cause harm to the human body depends mainly on the amount of “quantity”. In addition to the plastic bottles not mentioned in the previous section, there are several suggestions for reference:

The first move: less use of PVC plastic products. If plastic products are marked with PVC, it means that they contain plasticizers that require special attention when purchased and used. Especially when choosing children's products, buy plastic products that are too soft and too small to buy as little as possible. When buying plastic wrap, choose polyethylene (PE) cling film, do not buy unmarked.

Foods with cling film must not be heated in microwave ovens, especially meats. Once plasticizers come into contact with grease, they release toxic substances. In addition, plastic lunch boxes should not be put into the microwave oven, unless the microwave oven is specified. Because plastic products heat up, or contact with oils and fats, will increase the migration of plasticizers in plastics.

The second measure: Use more porcelain dishes. Eat less foods that are packed in disposable plastic, and try to choose porcelain dishes when you are holding food at home. PET plastic bottle heat-resistant temperature is 70 degrees, so try to avoid using plastic containers or plastic bags loaded hot water, hot soup, hot soy milk and so on. When eating and packing, use less plastic bags and disposable lunch boxes. Some parents often keep plastic milk bottles warm in hot water to facilitate feeding at any time. This is also unsafe. It is recommended to use glass bottles.

The third measure: Eat less animal fat. Many toxic chemicals that shuttle through the food chain in the form of fats and eat less animal fat can significantly reduce the chances of human body being disturbed by environmental hormones.

The fourth measure: Adhere to the principle of "two less, two more and three more", that is, less processing, less food additives, more natural, more fruits and vegetables, as well as to remove preservatives, depigmentation and deodorant.

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