A study finds nanoplastics in edible parts of vegetables

23 September 2025

A study has revealed the presence of nanoplastics, plastic particles even smaller than microplastics, in the edible parts of vegetables for the first time. The study demonstrated that these particles can reach areas of plants previously thought to be protected.

The migration of plastics into food, and into the human body, poses serious health risks for consumers. Unlike larger plastic particles, nanoplastics are capable of entering the human bloodstream via the lungs or intestines, potentially reaching organs such as the heart and brain, cells, and even unborn babies during pregnancy.

Plants possess a hydrophobic layer that acts as a barrier, preventing nanoplastics from reaching edible roots and shoots. However, the research shows that polystyrene nanoplastics are able to cross this barrier. This does not necessarily mean that all types of nanoplastics can do the same.

In light of these findings, SAFE reiterates the urgent need to reduce the overproduction of plastics and their accumulation in our environment which is detrimental to human health and biodiversity.