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Plastic moon cake tray taboo 'bright', plastic food packaging safe use

by:LINYANG     2020-02-01

as the Mid-Autumn Festival approaches, various gifts based on moon cakes occupy major shopping malls. The enhancement of environmental awareness and the improvement of health and hygiene requirements make people pay more and more attention to the packaging of food and gifts. As one of the packaging materials, plastics are widely used in the food and beverage industry and are developing at a rate of 5% every year. Its importance is naturally self-evident. Therefore, all sectors of society pay unprecedented attention to the safety of plastic packaging.

plastic moon cake holder taboo'Bright'

The plastic holder packaging of moon cakes is divided into PP, PS, PVC plastic, etc. pvc is polyvinyl chloride. When this material is used to carry oily food, oil in food can easily dissolve small molecular substances in plastic. If you eat this kind of moon cake for a long time, it will be harmful to human body. Therefore, PVC plastic is forbidden to be used as food packaging. However, some unscrupulous businesses sometimes change the PVC and deceive consumers. In order to make moon cakes look advanced, illegal businesses have used gold and silver moon cake holders to hold moon cakes. Some of these brightly colored moon cake holders are made of recycled plastic with gold and silver powder. However, the sources of these recycled plastics are complex, some even come from medical waste, pesticide bottles, etc. Moon cake holders made of recycled plastics and gold and silver powder are easy to contain a large amount of toxic substances and heavy metals.

and each layer of the packing box should be glued with glue, which contains toxic toluene chemicals. Toluene invades the human body mainly through inhalation, ingestion and skin absorption. Health hazards include irritation to skin and mucosa and anesthetic effect on central nervous system. If high concentration is inhaled in a short period of time, obvious irritation symptoms of eyes and upper respiratory tract, conjunctival and pharyngeal congestion, dizziness, headache, nausea, vomiting, chest tightness, limb weakness, faltering steps and blurred consciousness may occur. Severe patients may have agitation, convulsions, and coma. Long-term contact can lead to chronic poisoning symptoms such as neurasthenia syndrome, hepatomegaly, dry skin, chapped skin, dermatitis, etc. Colorful plastic trays are often dyed with industrial pigments. Therefore, the brighter the color of the plastic moon cake holder that packs moon cakes, the safer it is.

In addition, consumers can also hold moon cakes against the light. If obvious impurities, black spots or uneven color are found, it may be recycled plastic, it may also be an unqualified product that smells bad.

Food with plastic packaging should not be heated directly

currently, the type of plastic that can be heated by microwave oven is polypropylene, that is, the plastic type with the identification code 5. Polypropylene material can withstand high temperatures of 130 ° C, so it can be heated in a microwave oven for a short time. In addition to the polypropylene plastic of code 5, the most common codes are 1, 2, 3, 4, 6 and 7, but the plastic types of these codes are not very resistant to high temperatures, the polystyrene plastic of Code 6 can only withstand temperatures below 100 °c.

when heating the box lunch, everyone usually does not remove the plastic wrap wrapped outside the box. However, the plastic wrap of PVC material may melt over a long period of time, and the plasticizer (Plasticizer)It will be transferred to food, causing harm to the human body. Therefore, even if the packing box is made of polypropylene material with code 5, it is better to remove the plastic wrap outside when heating.

disposable plastic packaging should not be reused

with the enhancement of people's awareness of environmental protection and the formation of careful budgeting habits, many people reuse disposable plastic packaging products. However, experts suggest that these packaging products should not be reused. Try to avoid repeated use of plastic appliances that have been aged and easily deteriorated. It is best not to reuse beverage bottles many times, otherwise bacteria will easily breed, there are health risks. For such plastic products that cannot be used repeatedly, it is good to sort the garbage. For example, plastic bottles can be recycled, but they are not used to hold beverages, but to make low-level products that are not in direct contact with people. Consumers who like to use plastic bottles of edible oil, honey and medicated wine must get rid of this habit, because plastic bottles containing these foods for a long time may dissolve harmful substances, which is not good for health.

Although plastic packaging is often questioned and blamed, many of its characteristics cannot be replaced by any other packaging material. Therefore, consumers should learn to seek advantages and avoid disadvantages, master the know-how of the plastic packaging industry, add a barrier to their own safety, and be wise consumers.

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