The main raw material for the production of beverage bottles is polypropylene plastic, non-toxic and harmless, for the consumption of soft drinks Coke-type drinks on the human body without adverse effects; but because the plastic bottle still contains a small amount of ethylene monomer, if long-term storage of wine, Organic matter, it will occur chemical reaction. Long-term consumption of food contaminated by ethylene, will make people dizziness, headache, nausea, loss of appetite, memory loss, etc., severe cases may also lead to anemia. In addition, with a bottle of wine, vinegar, etc., the bottle will be oxygen, ultraviolet and other effects and aging, the release of more ethylene monomer, so long-term storage in the bottle of wine, vinegar and other metamorphic taste. For drinks bottles do not install other liquids caused by accidental injury, it is recommended that the beverage company in the bottle packaging indicate the following warning:
“No. 1” PETE
Mineral water bottles, carbonated beverage bottles
Drink bottles do not use hot water
Use: heat to 70 ℃, only suitable for heating or cold drink, installed high temperature liquid, or heating is easy to deformation, there are harmful substances on the human body melt. And, scientists found that No. 1 plastic products with 10 months later, may release the carcinogen DEHP, the testis is toxic.
“No. 2” HDPE
Cleaning supplies, bath products
Cleaning is not completely recommended not to use
Use: can be reused after careful cleaning, but these containers are usually bad cleaning, leaving the original cleaning supplies, become a hotbed of bacteria, you’d better not use.
“No. 3” PVC
Currently rarely used in food packaging is best not to buy
“No. 4” LDPE
Plastic wrap, plastic film and so on
Keep the film in the surface of the food into the microwave oven
Use: heat resistance is not strong, usually, qualified PE cling film in the case of temperature exceeds 110 ℃ when there will be hot melt phenomenon, leaving some of the body can not break the plastic formulations. And, with the plastic wrap wrapped food heating, food in the oil is very easy to cling to the harmful substances in the plastic film dissolved out. Therefore, the food into the microwave oven, first to remove the wrapped plastic wrap.
“No. 5” PP
Microwave oven lunch box
When placed in a microwave oven, remove the lid
Use: The only plastic box that can be put into the microwave oven can be reused after careful cleaning. Need to pay special attention to some of the microwave lunch box, the box is indeed to No. 5 PP manufacturing, but the lid was made on the 1st PE, PE can not withstand high temperatures, it can not be put together with the box into the microwave. For insurance purposes, the container into the microwave before the first removed the lid.
“No. 6” PS
Bowl of instant noodles, fast food boxes
Do not cook the instant noodles with a microwave oven
Use: heat and cold, but can not be placed in the microwave, so as to avoid the high temperature and release of chemicals. And can not be used to contain strong acid (such as orange juice), strong alkaline substances, because it will break down on the human body is not good polystyrene, easy to cause cancer. Therefore, you should try to avoid using fast food boxes to pack hot food.
“No. 7” PC
Other categories: kettle, cup, bottle
PC gel heat release bisphenol A
Use: A material that is used in large quantities, especially in bottles, is controversial because it contains bisphenol A. “In theory, as long as the process of making PC, bisphenol A hundred percent into a plastic structure, it means that the product is no bisphenol A, let alone release.” Said Lin Hanhua, associate professor of the Department of Biology and Chemistry, City University of Hong Kong. However, if a small amount of bisphenol A is not converted into a PC plastic structure, it may be released into the food or drink. Therefore, be careful, in the use of this plastic container to pay special attention.
PC in the residual bisphenol A, the higher the temperature, the more the release, the faster the speed. Therefore, the PC water bottle should not be hot water, so as not to increase the bisphenol A (if any) release speed and concentration. If your kettle has a number 7, the following methods can reduce the risk:
● Do not wash the kettle with dishwasher and dishwasher.
● Do not use when heating.
Do not let the kettle direct in the sun.
● Before the first use, rinse with baking soda and warm the water at room temperature. Because bisphenol A will be released in the first use and long-term use more.
● If the container has any falls or damage, it is recommended to stop using, because the surface of plastic products if there are subtle pit, easy to hide bacteria.
● Avoid repeated use of already aging plastic appliances.