Are raisins worth the risk of high pesticide levels? Choose organic
August 13, 2020 by Joel Fuhrman, MD
Each year, the Environmental Working Group (EWG) uses data from the USDA Pesticide Data Program (PDP) to create their Dirty Dozen and Clean Fifteen rankings of fruits and vegetables. The Dirty Dozen list allows shoppers to see at a glance which conventionally grown items – such as strawberries and apples – contain high levels of pesticide residue, and should be avoided, in favor of organic versions. This year, EWG highlighted a problem with a popular item: raisins.
The pesticide problem
The USDA measures pesticide residues on thousands of fruit and vegetable samples every year. Each year, the Environmental Working Group (EWG) uses that data to rank fresh produce based on a collection of metrics, such as the percent of samples with detected pesticides, average number of pesticides found, and average concentration of pesticide.
In 2020, EWG published its list as usual but added a notice about a food not usually included in its rankings – raisins. EWG usually only considers fresh produce in their rankings, however, USDA tested raisins in 2018 (for the first time since 2007), and based on EWG’s ranking methodology, raisins would be #1 on the Dirty Dozen list if they were included.
The specific pesticides detected on most raisin samples were a neonicotinoid pesticide (imidacloprid) plus bifenthrin and tebuconazole, which have shown developmental neurotoxicity in animal studies.2-4
Raisins are a dried fruit, which means their sweetness is concentrated. You should limit your consumption of any dried fruit, compared to fresh fruit. If you are going to use raisins, it makes sense to choose organic, especially for children. Fumigant residues are not measured as part of the USDA’s Pesticide Data Program, but organic production forbids the use of fumigants.5 The gases used for fumigation may be hazardous for workers, the environment, and consumers alike.
Eating vegetables and fruits, whether organic or conventional, protects against chronic diseases. Even the highest pesticide residue levels detected on produce are very far below the chronic reference dose, the estimated dose of a chemical a person could be exposed to daily throughout life without any harmful effects.6
In addition to the environmental benefits of organic agriculture, there may also be health benefits. That’s why I recommend choosing organic produce whenever possible.
Raisins: No. 1 on the Dirty Dozen List? [https://www.ewg.org/foodnews/raisins.php]
Munoz-Quezada MT, Lucero BA, Barr DB, Steenland K, Levy K, Ryan PB, Iglesias V, Alvarado S, Concha C, Rojas E, Vega C. Neurodevelopmental effects in children associated with exposure to organophosphate pesticides: a systematic review.Neurotoxicology 2013, 39:158-168.
EFSA Panel on Plant Protection Products and their Residues (PPR). Scientific Opinion on the developmental neurotoxicity potential of acetamiprid and imidacloprid.EFSA Journal 2013, 11.
Syed F, John PJ, Soni I. Neurodevelopmental consequences of gestational and lactational exposure to pyrethroids in rats.Environ Toxicol 2016, 31:1761-1770.
Moser VC, Barone S, Jr., Smialowicz RJ, Harris MW, Davis BJ, Overstreet D, Mauney M, Chapin RE. The effects of perinatal tebuconazole exposure on adult neurological, immunological, and reproductive function in rats.Toxicol Sci 2001, 62:339-352.
Winter CK, Katz JM. Dietary exposure to pesticide residues from commodities alleged to contain the highest contamination levels.J Toxicol 2011, 2011:589674.
Joel Fuhrman, M.D. is a board-certified family physician, seven-time New York Times bestselling author and internationally recognized expert on nutrition and natural healing, who specializes in preventing and reversing disease through nutritional methods. Dr. Fuhrman coined the term “Nutritarian” to describe his longevity-promoting, nutrient dense, plant-rich eating style.
For over 30 years, Dr. Fuhrman has shown that it is possible to achieve sustainable weight loss and reverse heart disease, diabetes and many other illnesses using smart nutrition. In his medical practice, and through his books and PBS television specials, he continues to bring this life-saving message to hundreds of thousands of people around the world.
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