These bottles are not suitable for long-term repeated use
Zhang Aunt, who lives in the Dongyuan Community, likes to use sprites, purified water and other beverage bottles to hold cooking oils and seasonings.
She believes that these beverage bottles are lightweight and will not break even if they accidentally fall to the ground. But is Aunt Zhang's approach correct? The reporter consulted the Municipal Health Bureau on this matter.
According to the relevant person in charge of the Municipal Health Bureau, the main raw material of many beverage bottles is polypropylene plastic, which is non-toxic, and the consumption of beverages such as Coke and soft drinks has no impact on human health. Polypropylene, however, is an ethylene polymer compound that also contains a small amount of ethylene monomer. If long-term storage of fat-soluble organic substances such as alcohols and edible oils occurs, the ethylene monomer will be dissolved by fat-soluble organic substances.
Moreover, plastic bottles are prone to interact with oxygen, ozone, and ultraviolet rays in the air, resulting in unpleasant odors. If you store edible oil, wine, vinegar, and soy sauce for a long period of time, not only will it speed up oxidation and deterioration, it will also lead to polypropylene. The carbon chain breaks, producing more ethylene monomer. It is not safe to store pickles and other acid and alkali salts in plastic bottles. Because acid-base salt foods are corrosive, they react chemically with plastics and release toxic substances.
The responsible person suggested that it is best to choose colorless and transparent glass products for foods. Because the composition of glass is relatively simple, it will not react with oil, vinegar, etc.
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