Summary:
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Microplastics can contaminate food through common kitchen items like cutting boards, cookware, and food containers.
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Exposure to microplastics can be reduced by switching to safer alternatives like wood, glass, and stainless steel.
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Wear and heat can aggravate the release of microplastics, but minor adjustments in kitchen utensils can help minimize exposure.
Microplastics are commonly appearing in our daily meals; usually, in unforeseen places right in the kitchen. Although packaging is the common culprit, everyday cooking and food-storage utensils could be releasing minute amounts of plastic into food unknowingly when heated, scraped, or used. These are seven most common and hidden contributors in the kitchen.
Plastic Cutting Boards
The repetitive knife blows make small grooves that release microscopic pieces of plastic. With the course of time, food can be chopped on old plastic boards which can transfer these parts into food that is being cooked.
Nonstick Cookware Utensils
Plastic and nylon utensils in use on hot pans can be heat and friction damaged. Contact with surfaces of cookware can lead to the release of microplastic particles, in particular, when utensils are fractured, melted, or damaged.
Old Nonstick Pans
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Nonstick finishes may peel off or become scratched when damaged by high temperatures or scratching. When surfaces are old and wearing out, small synthetic particles can become incorporated into food without the naked eye.
Plastic Food Containers
Warming up the leftovers in containers made of plastic, particularly in microwaves, can lead to more plastic degradation. A repetitive heating and washing process make surfaces weaker, and shedding of particles possible with time.
Disposable Coffee Pods
Plastic coffee capsules (single-use) are subjected to pressure with hot water, and they can leak microplastics into brewed beverages. This can be a common latent source of exposure due to frequent use on a daily basis.
Kettles And Water Boilers Made of Plastic
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The use of plastic-lined kettles to boil water can lead to the degradation of the material over time. Exposure to heat in the long run may add to microscopic particle release in beverages and cooking water.
Dish Sponges Made of Artificial Fibers
Most kitchen sponges are produced using plastic materials that lose small fibers during wear. These particles are able to adhere to dishes, utensils and surfaces that come in contact with food.
The Problem is Aggravated by Wear And Heat
Microplastic leakages are augmented when plastic materials are scraped, aged, or repeatedly heated. Even kitchen implements that might appear tough are still susceptible to the causes of increasing contamination as they wear out over time.
There are Safer Alternatives
Exposure can be minimized by switching to wooden cutting boards, stainless steel cookware, glass storage containers, and utensils without silicone. Natural-material substitutes are less likely to emit synthetic particles into food.
Minor Adjustments Have The Ability to Reduce Exposure
It is not easy to avoid microplastics entirely, but the contact of plastics in food preparation can be reduced to assist. Swapping out old kitchenware and decreasing contact with heat on plastics can clean up and make meals safer in the long-term.