Paper and bamboo straw contain toxic chemicals: study

In the quest for eco-conscious alternatives to plastic straws, paper and bamboo straws emerged as promising solutions. However, recent research conducted by Belgian scientists challenges the notion that these "green" straws are as environmentally friendly as touted. The study, published in the journal Food Additives & Contaminants, reveals that these supposedly sustainable utensils are tainted with toxic substances, potentially rendering them worse for the environment than their plastic counterparts.

These alternatives have gained traction worldwide, with countries like Belgium and the UK even adopting them as replacements for plastic straws. However, the presence of poly- and perfluoroalkyl-based substances (PFAS), often referred to as "forever chemicals" due to their persistence in the environment, shatters the eco-friendly image of these straws.

Dr. Thimo Groffen, an environmental scientist from the University of Antwerp and lead author of the study, explains, "Straws made from plant-based materials, such as paper and bamboo, are often advertised as being more sustainable and eco-friendly than those made from plastic. However, the presence of PFAS in these straws means that's not necessarily true."

The study found that paper straws contained the highest levels of PFAS, with a staggering 90% of them containing these harmful chemicals. They were followed by bamboo straws, with 80% of them harbouring PFAS. Even plastic straws contained 75% of PFAS, while glass and steel straws showed much lower levels. The most predominant PFAS was identified as perfluorooctanoic acid, a substance globally banned since 2020 but still present in products through residual use in some regions.

Furthermore, the study exposes a disheartening reality: some "100% recyclable" straws are not truly recyclable. The inclusion of PFAS compounds complicates their recycling process and raises questions about the overall sustainability of such alternatives.

Also watch: McDonald's paper straws cannot be recycled, company reveals