Little do you know that the thin plastic wrap which is supposed to protect the fresh tomatoes you bought in the grocery can harbor nonintentionally added substances (NIAS), like reaction by-products and impurities.

A chemical analysis of plastic samples that came into contact with food showed that indeed, unidentified compounds were part of the samples.

The research team found proof that plastic food wraps, bags, clamshell containers and others drain substances that can harm people’s health “at very low levels.”

An online article in Choice.com supports this observation. It explains that plastic can have small molecules that can make its way into the food it ironically seeks to protect.

The article adds that plastic may contain polycarbonate, which in turn can release bisphenol A (BPA). Experts believe BPA can lead to serious health issues.

Plastic in cling wrap and jar seals also contains PVC, which has harmful ingredients includes chlorine.

Lest you shift into panic mode, however, you should know that the experts themselves admit the health risks are very low. So the scientific community has not conducted risk assessment tests on these plastic wraps — yet.

This has made the research team led by Martin Scheringer and Jane Muncke to suggest conducting evaluations on possible low-dose effects of chemicals that come into contact with food or are used in making materials that come into contact with food.

The team also wants toxicological assessments of materials for any substance that may not have been intentionally added to food contact materials.

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