The risk of ink printing on food packaging is well known, and colorful printing will be used on the packaging to reflect and display products. In recent years, the packaging and food industry's pollution problems caused by inks are increasingly being valued. Since there is no edible ink in China at present, direct contact with food is certainly not possible. In addition, the risk of ink penetrating the packaging is more difficult to find. In fast-food restaurants like McDonald's and KFC, you can often see that some consumers have the habit of putting food directly on the tray paper. Some middle school students will also pour tomato sauce on paper and dip it with fries. These are the risks caused by ink printing. In fact, there will be a line of printed words on some plate paper, such as the warning that "This plate paper is a general printed matter and should not be in direct contact with food", but many consumers have not carefully observed. In order to attract customers, fast food restaurants often print some related product advertisements on the plate paper. There is no film on the surface of some printed materials. Once food comes into contact with it, the harmful chemicals in the printing ink will migrate to varying degrees and be eaten into the human body. If the food is oily, more harmful substances migrate out, even if the food touches the other side of the printed matter, the ink can penetrate the packaging and enter the food.
At present, most inks contain benzene solvents, such as toluene and xylene, and benzene substances are carcinogens. Even if an environmentally friendly ink containing no benzene is used, the ink itself cannot directly contact food. Although some inks claim to contain no benzenes, they also contain other harmful substances, which is also not suitable for direct contact with food. In addition, the ink also contains heavy metal elements such as lead, chromium, cadmium, mercury, etc. If these heavy metal elements exceed the content in the body, it will also cause harm to the human body. Long-term consumption of food contaminated with ink can cause chronic poisoning and increase the risk of cancer.
Warm reminder of Haorun Packaging: Do not directly contact food with printed materials, do not wrap paper or plastic bags with printing ink on meat and cooked food. You can use multi-layer composite film packaging materials, such as paper-plastic composite, aluminum-plastic composite, etc. Because a protective film is attached to the surface of the printed layer, the migration of harmful substances in the ink is greatly reduced.
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