Maya Ellison
Plastic is everywhere, from the Arctic snow to remote deserts, and it has infiltrated almost every aspect of our lives. It is therefore unsurprising that microplastics, tiny plastic particles, are present in our food and water. These particles enter our food system through environmental contamination, such as polluted water and soil, and can also come from the plastic tubing, conveyor belts, and gloves used during food processing. While the health effects of consuming plastic are not yet fully understood, studies have found microplastics in human organs, faeces, and even the placentas of unborn babies. Some of the foods with the highest levels of microplastic contamination include seafood, rice, bottled water, salt, tea, and fruit and vegetables.
| Characteristics | Values |
|---|---|
| Chemicals used to make plastic | Phthalates, Bisphenols such as BPA |
| How plastics enter our food | Plastic packaging, plastic in the tubing, conveyor belts, and gloves used during food processing, contaminated water and soil |
| Plastic in food products | Breaded shrimp, plant-based nuggets, chicken nuggets, bottled water, beer, salt, tea, rice, seafood, milk, honey, sugar, etc. |
| Effects of consuming plastic | Interfere with the production and regulation of estrogen and other hormones, damage human cells, decrease reproductive health, disrupt the endocrine system |
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What You'll Learn
Plasticizers and bisphenols like BPA are found in many foods
BPA and other bisphenols are often found in food packaging and can leach into food products, especially when the food is heated. While there have been some efforts to reduce the use of BPA in food packaging, such as the FDA's ban on BPA in baby bottles and sippy cups, it still remains prevalent. Tests have detected BPA in 79% of food samples, including prepared meals, fruits and vegetables, milk and other dairy products, baby food, fast food, meat, and seafood.
The presence of plasticizers and bisphenols in food is concerning due to their potential health risks. These chemicals have been linked to endocrine disruption, interfering with hormone production and regulation. Additionally, they have been associated with a long list of health concerns, even at very low levels. However, determining safe levels of these chemicals in food can be challenging, as current regulations may not adequately protect against all potential health effects.
To reduce exposure to plasticizers and bisphenols, consumers can take steps such as avoiding plastic packaging, choosing glass or silicone containers, and supporting initiatives to reduce plastic production and pollution. While complete elimination of these chemicals from the food supply may not be feasible, it is important to stay informed and take precautions to minimize potential health risks.
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Microplastics are in our food and drinks
Plastic is everywhere, from the Arctic snow to remote deserts. It is, therefore, no surprise that microplastics are in our food and drinks. Microplastics are plastic particles smaller than 5mm in size and are formed from the breakdown of larger plastics. They are found in the ocean, air, and soil, and can easily enter the human body.
Microplastics have been detected in seafood, beer, bottled water, honey, milk, tea, salt, sugar, and even human breast milk and blood. They can enter our food and drinks through various pathways, including environmental contamination and food processing. For example, industrial discharge of poly-fluoroalkyl substances (PFAS) into waters contaminates the sludge used to fertilize crops, and PFAS can be present on microplastics. Additionally, during food processing, microplastics can be transferred from plastic tubing, conveyor belts, and gloves.
The presence of microplastics in our food and drinks is a growing concern. While the health effects of consuming microplastics are not yet fully understood, studies have found them in human organs, including the lungs, liver, spleen, and kidneys. They have also been linked to decreased reproductive health and endocrine system disruption.
To reduce exposure to microplastics, experts recommend avoiding food and drinks stored in plastic containers and opting for glass, enamel, or foil packaging. Additionally, reducing plastic consumption and pollution is crucial. Initiatives such as the global plastics treaty petition aim to address this issue by advocating for global requirements to reduce plastic production and pollution.
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Plastic enters our food through the environment
Plastic is found in almost everything we eat. Plastics do not biodegrade and instead break down into microplastics and nanoplastics. These microplastics and nanoplastics may be present in our food due to environmental contamination.
Microplastics and nanoplastics enter our food supply primarily through the environment. They are formed when larger plastics break down into tiny particles that end up in the ocean, air, and soil. These particles can contaminate the soil and water used to grow crops, which are then absorbed by the plants. A 2020 study found microplastics and nanoplastics in fruit and vegetables sold by supermarkets and local sellers in Catania, Italy. Apples were the most contaminated fruit, while carrots had the highest levels of microplastics among the sampled vegetables.
Microplastics can also enter our food through the plastic packaging found on almost everything in the grocery store. They can also enter our bodies through the air we breathe and the absorption of particles through the skin from the use of personal care products.
In addition, plastics can enter our food through the plastic tubing, conveyor belts, and gloves used during food processing. Plastics can also enter the food chain when animals ingest them, and these plastics are passed on when those animals are eaten by other animals or humans. This process is called "trophic transfer" and can lead to the accumulation of toxins and chemicals in animal fat and tissue through bioaccumulation.
While the presence of microplastics and nanoplastics in food does not violate FDA regulations, the FDA continues to monitor the research and work to advance the science to ensure food safety.
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Plastic packaging contaminates our food
Moreover, the issue extends beyond BPA. Polystyrene, commonly known as Styrofoam, is a known carcinogen and an environmental hazard. Heating plastics in microwaves can also cause chemicals to seep into food, and hot food placed in plastic containers can result in chemical leaching. The presence of these chemicals in our food has potential short- and long-term health consequences, including obesity, cancer, and cardiovascular disease.
Plastic packaging also contributes to environmental contamination, which, in turn, affects the food we consume. Most plastic waste ends up in landfills or the environment, particularly in waterways and oceans. This plastic pollution has been declared a "planetary crisis" by the United Nations, as it severely harms aquatic life and birds. Plastic waste in oceans breaks down into microplastics and nanoplastics, which can then enter our food supply, primarily through environmental exposure. While the health risks of consuming microplastics and nanoplastics are still being studied, their presence in our food is concerning.
Furthermore, plastic packaging can directly contaminate food during the food processing stage. Phthalates, for example, can enter food through contact with plastic tubing, conveyor belts, and gloves used in processing. Contaminated water and soil can also introduce phthalates into meat and produce. The lack of regulations restricting the use of these chemicals in food production exacerbates the problem.
Overall, the impact of plastic packaging on our food is far-reaching. It introduces harmful chemicals directly into our food, contributes to environmental contamination, and affects our health and the planet. Addressing these issues requires a multifaceted approach, including improved packaging materials, stronger regulations, and a shift towards more sustainable and healthier alternatives.
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Plastic in the ocean is consumed by sea animals and enters our food chain
Plastic waste is everywhere, from the ocean to landfills, and it is having a profound impact on the environment and our health. Most plastic waste is sent to landfills or the ocean, with only a small percentage being recycled or incinerated. As a result, plastic pollution has infiltrated almost every corner of the Earth, from the ocean to the air, soil, and even remote locations like the Arctic and deserts.
Plastic in the ocean is of particular concern due to its impact on marine life and its ability to enter our food chain. Marine animals, from small organisms to large creatures, ingest plastic directly from the water or through consuming other plastic-contaminated prey. This plastic consumption can lead to blockages in their digestive tracts, inhibiting their intake of real food. It can also result in the bioaccumulation of toxins and chemicals in their bodies, which can have adverse effects on their feeding behaviour, reproductive outputs, developmental anomalies, tissue inflammation, and overall health.
When humans consume seafood or other animal products, they are also ingesting the plastics and associated toxins that have accumulated in these creatures. This process is known as trophic transfer. While the health effects of consuming microplastics are still being studied, research has linked these plastics and their associated chemicals to various health concerns. These include endocrine disruption, reproductive issues, neurological disorders, and weakened immune systems.
The impact of plastic pollution on marine life and its subsequent entry into our food chain highlight the urgency of addressing plastic waste. Reducing plastic pollution through proper waste management, supporting organisations dedicated to protecting our oceans, and advocating for global reductions in plastic production are crucial steps towards mitigating the harmful effects of plastic on our environment and health.
Additionally, it is important to recognise that plastic is not the only source of toxins in our food chain. Other chemicals, such as PCBs and dioxins, also contribute to the contamination of our food. However, plastic plays a significant role in the bioaccumulation of these toxins, and its pervasive presence in our environment and food chain underscores the need for collective action to address this pressing issue.
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Frequently asked questions
Microplastics are small plastic particles, typically considered to be less than 5mm in size.
Microplastics can enter our food chain when they enter our oceans, waterways, and soil. They can be found in the air, food, and even absorbed through the skin from the use of personal care products. In terms of food, microplastics are often found in seafood, as well as in our tap and bottled water. They can also enter our food from the plastic used in the tubing, conveyor belts, and gloves during food processing.
The long-term effects of consuming microplastics are not yet fully understood. However, microplastics have been found in human organs, including the lungs, liver, spleen, and kidneys, as well as in placentas and breast milk. They have been linked to a range of health concerns, including endocrine disruption, decreased reproductive health, and interference with hormone production.
Breaded shrimp, plant-based nuggets, chicken nuggets, and fish sticks have been found to have high levels of microplastic contamination. Other foods with high levels include rice, tea, salt, seafood, sugar, honey, milk, and beer.
To reduce your exposure, you can take steps such as avoiding food stored in plastic containers, opting for glass, enamel, or foil packaging instead. You can also reduce plastic contamination in rice by up to 40% by washing it before consumption. Signing petitions to advocate for global reductions in plastic production and pollution can also help address the issue on a larger scale.
