Can food be directly packaged using printed materials such as newspapers or advertising paper?
Release time:
2024-08-23
Newspapers and advertising papers are mostly coated with ink. If food is directly packaged using these materials
Can food be directly packaged using printed materials such as newspapers or advertising paper?
Newspapers and advertising papers are mostly coated with ink. If food is directly packaged using these materials, it can easily lead to ink contamination.
First, the primary pollutants in ink are heavy metals, including lead, chromium, cadmium, and mercury. For example, lead can inhibit the formation of blood cells in the human body and cause brain damage. In addition, the inks commonly used for printing newspapers or advertising papers often contain toxic organic solvents such as ethanol, isopropyl alcohol, toluene, and xylene; residual amounts of these solvents pose a potential hazard. Finally, if old newspapers are used, there is also the risk of spreading viruses.
Some plastic baby bottles contain “bisphenol A.” Is long-term use of these bottles harmful to infants and young children?
Bisphenol A is primarily used in the production of polycarbonate (PC). Due to PC’s characteristics—such as low cost and resistance to breakage—products made from it are widely used, with baby bottles being one prominent example. After being heated, Bisphenol A can leach into food and beverages. Long-term exposure may adversely affect infants’ and young children’s neurobehavioral development, immune system, and even increase the risk of cancer. It has also been linked to early puberty and precocious development in young girls. Currently, some countries have begun banning the manufacture of baby bottles containing Bisphenol A.
Is it healthy to eat no fat at all?
No, that’s not the case. Fat is one of the essential nutrients our bodies need, and our diet must include a certain amount of fat. Not only does fat provide the calories and essential fatty acids our bodies require, but it also helps the body absorb fat-soluble vitamins. However, excessive fat intake can be harmful to human health. Many common diseases, such as heart disease, are linked to overconsumption of fat—especially saturated fatty acids found in animal fats.
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