A recent report from Pesticide Action Australia has detected 201 pesticide residues, including chemicals classified as PFAS, across 78 samples of popular fruits and vegetables purchased from major Australian supermarkets like Aldi, Coles, and Woolworths. Four of the tested samples exceeded Australia's legal maximum residue limits (MRLs).
While the findings have raised concerns, dietitian Leanne Ward emphasizes that Australians should not stop consuming fruits and vegetables. She notes that the report tested a limited number of samples and advises that the classification of some fluorinated pesticides as PFAS is subject to scientific debate. Ward also highlights that MRLs are regulatory thresholds and do not automatically equate to a food being dangerous, as actual health risks depend on various factors including the amount consumed and duration of exposure.
The report identified 54 different pesticides, with 44% of samples containing residues the report classified as PFAS, often referred to as 'forever chemicals' due to their persistence. Additionally, 56% of samples contained pesticides not approved for use in the European Union. A strawberry sample showed a residue 9.5 times the legal limit, and a grape sample was 5.5 times the limit.
Ward suggests several simple changes for consumers to reduce pesticide exposure at home. These include soaking produce in a solution of bicarbonate of soda and water for 12-15 minutes, which research indicates can remove up to 96% of certain surface pesticides from apples. She also recommends scrubbing produce like apples, potatoes, and cucumbers under running water instead of peeling to preserve nutrients. When budgets allow, prioritizing organic strawberries and grapes, growing some produce at home, and shopping at local markets for spray-free options are also suggested.
Ward also advises reconsidering cookware and food storage, opting for glass containers over plastic and avoiding heating food in plastic. Filtering drinking water to reduce PFAS is another recommendation. She stresses that these changes do not require a complete kitchen overhaul or significant expense.
Highlighting the importance of continued produce consumption, Ward pointed to statistics indicating that only 6.5% of Australian adults meet the recommended intake of vegetables. Extensive research, including a major review by Imperial College London, links consuming fruits and vegetables to significant reductions in the risk of premature death, cardiovascular disease, stroke, and certain cancers.
Supermarket representatives from Coles, Woolworths, and Aldi confirmed their adherence to Australian laws regarding fresh produce. They stated that suppliers must meet strict food safety requirements and comply with regulations, with regular testing conducted to ensure compliance. Woolworths ensures compliance through independent audits under the Harmonised Australian Retailer Produce Scheme.