Good old tap water will go a long way towardwashing pesticide residues off your fruit and vegetables, but “getting it down to zero is notfeasible, ever, said Dave Stone, a toxicologist who is the director of theNational PesticideInformation Center, a cooperative effort between Oregon State University and theEnvironmental Protection Agency. While washing can reduce pesticide residues on the surface,it cannot eliminate pesticides that are absorbed by the roots into the very tissue of the fruitor vegetable.

美国国家农药信息中心(National Pesticide Information Center，由俄勒冈州立大学[Oregon StateUniversity]和美国国家环境保护局[Environmental Protection Agency]合作建立)主任、毒理学家戴夫·斯通(Dave Stone)表示，使用质量较好的普通自来水洗涤蔬菜和水果对清除其上的残留农药大有助益，但“要想把它们洗得一点不剩是不可能的。虽然清洗可以减少蔬果表面的农药残留，但这样做并无法清除被根部吸收进入到蔬菜或水果内部组织中的农药。

Scrubbing with a vegetable brush helps, Dr. Stone said, but using a store-bought veggie washmight not: A 2000 study by the Connecticut Agricultural Experiment Station found that rinsinglettuce, strawberries and tomatoes under tap water for 60 seconds worked just as well asusing a commercial vegetable wash to significantly reduce pesticide residues. Using a veggiewash might even backfire, Dr. Stone said, because detergent residue could be added to fruitswith porous outer layers.

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