When you walk the aisles of your grocery store, you find an array of packaging types on the shelves. There are cans of beans, cartons of milk, plastic containers of yogurt, bags of chips and plastic-wrapped meat on foam trays. Along with the materials you can see (like plastic bottles and metal cans), a lot of food packaging contains chemical additives or linings you cannot see, which are there to prevent leaking or to keep the acid in foods like tomatoes from corroding metal cans.
Most food packaging can be broken down into four major types:
Plastic packaging. This includes a wide array of plastic types, from Styrofoam to clear plastic “clamshell” packages to the lids on takeout coffee cups. The raw materials used to make plastic packaging may be harmful to our health, or there may be harmful chemicals added to the plastic to make it more functional.
Metal packaging. This includes aluminum and other metal cans that both food and beverages are packaged in. Metal cans are often lined with anti-corrosive substances that can leach into our food and affect our health.
Paper/fiber packaging. This includes the increasingly common “tetra” pack cartons, other types of cartons and take-out food containers. Like other types of packaging, paper/fiber packaging often is lined or coated with substances to make it more functional – for example, able to hold liquids – which can be harmful to human health.
Glass packaging. This includes glass bottles and other containers.
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Answer:
An Overview of Food Packaging
When you walk the aisles of your grocery store, you find an array of packaging types on the shelves. There are cans of beans, cartons of milk, plastic containers of yogurt, bags of chips and plastic-wrapped meat on foam trays. Along with the materials you can see (like plastic bottles and metal cans), a lot of food packaging contains chemical additives or linings you cannot see, which are there to prevent leaking or to keep the acid in foods like tomatoes from corroding metal cans.
Most food packaging can be broken down into four major types:
Plastic packaging. This includes a wide array of plastic types, from Styrofoam to clear plastic “clamshell” packages to the lids on takeout coffee cups. The raw materials used to make plastic packaging may be harmful to our health, or there may be harmful chemicals added to the plastic to make it more functional.
Metal packaging. This includes aluminum and other metal cans that both food and beverages are packaged in. Metal cans are often lined with anti-corrosive substances that can leach into our food and affect our health.
Paper/fiber packaging. This includes the increasingly common “tetra” pack cartons, other types of cartons and take-out food containers. Like other types of packaging, paper/fiber packaging often is lined or coated with substances to make it more functional – for example, able to hold liquids – which can be harmful to human health.
Glass packaging. This includes glass bottles and other containers.
Explanation:
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