5. Processed and Packaged Foods

Processed Food

A recent recall of Pilgrim’s Pride chicken breast nuggets was due to contamination from tiny pieces of flexible rubber. Though rubber isn’t considered a standard plastic, it’s a similar substance that landed in convenience foods we eat during processing and packaging. 

That’s right, our food can become contaminated from its own packaging. Packaging degrades and can actually release microscopic bits of plastic when opened or handled. Plastic can slip into our food from even the leftovers kept in plastic food storage containers. 

4. Plastics Commonly Found in Packaged Foods

Packaged Food

Many different types of plastic are used throughout the processing and packaging of our food supply, but there are six standouts. These microplastics often come from polyurethane, polypropylene, polyethylene, polyethylene terephthalate, polyvinyl chloride, and polystyrene. 

It’s important to note that microplastics are categorized as primary and secondary. A primary form of microplastic is one that was intended to be that small, like plastic powders used in molding. Secondary microplastics are those that break off from degrading plastic, like the bits of plastic that can shed off a fishing net. 

3. How Foods Are Tested for Microplastics

Microplastics

As reported by Chemical & Engineering News, one method researchers use to determine the amount of microplastics in seafood is by first removing the plastic particles from seafood tissue by hand. The microplastics are then suspended in a solvent and studied with a method of spectroscopy that utilizes electromagnetic radiation. This form of study can pinpoint what types of plastics these sea animals are ingesting. 

The Australian seafood study used a method called pyrolysis gas chromatography mass spectrometry. This spectrometry method was particularly valuable for determining mass concentrations of plastic in seafood, where this was previously difficult to accomplish.

Related: Why Plastic Straws are Bad

2. Microplastics and Health Concerns

Microplastic In Drink

Plastics in our bodies act as chemical contaminants. In other words, eating plastic can cause us harm. Though studies of specific microplastics are still relatively new, effects of various forms of plastic exposure have been researched for many years. 

Ingesting and exposure to plastics can lead to hormone imbalances, immune and nervous system challenges, infertility, and cancer. Microplastic might make its way through the blood-brain barrier that protects the brain from foreign substances. There’s also concern that ingested plastic might be able to slip through a pregnant woman’s placenta into the bloodstream of a growing fetus. 

1. How to Reduce Your Exposure to Plastic

Microplastic In Hands

Because of how much plastic debris is floating in our oceans, and how much plastic is part of our everyday lives, it’s nearly impossible to live completely plastic free. However, you can considerably lower your exposure to plastic with some simple steps. Avoid eating sardines, shellfish and other seafood known to be high in microplastic content, or eat them only occasionally. Swap out your plastic food storage bags and containers for ones made of materials like glass, bamboo and stainless steel. Avoid plastic grocery bags and buy fewer foods that come in plastic-based packaging. 

Related: 10 Poisons Consumed Daily
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