You forgot your water bottle in your car. It heated up in the sun, but when you return from the beach, it is better to take a sip of hot water than to let yourself be dried out by the salt of the sea water. If this sip is certainly not dangerous for your health strictly speaking, it is better to know what you are ingesting: toxic products, released into the water by the action of the sun’s rays on the plastic of your bottle.
As a reminder, a plastic bottle already contains microplastics. Other studies have shown the risks of releasing chemicals such as bisphenol A (BPA), an endocrine disruptor. This time, a study published in the journal Eco-Environment & Health, led by Jinan University in China, showed that consumers could potentially ingest and inhale a complex mixture of volatile organic compounds (VOCs), i.e. products chemicals that evaporate easily, and some of which can be toxic. After exposing six types of plastic water bottles, from different countries ranging from Canada to Japan via Italy, to ultraviolet A rays and the sun, they discovered a potentially carcinogenic hydrocarbon, n-hexadecane. .
Certainly, the quantity of VOCs released due to light degradation of the plastic bottle is very small. But this research once again confirms that it would be wrong to consider bottled water as “pure” (…)
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