How Antibacterial Chemicals End Up in Your Food

New research finds food crops can take up toxic pesticides that come from antibacterial products.

By Emily Main

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What's disturbing is that triclosan, which was found in the highest amounts in plant roots at both points in this study, and triclocarban are both used in thousands of consumer products. So for many people, this phenomenon may soon be more common due to frequent or daily exposure to these chemicals. Triclosan is a potential hormone disruptor, and there's some evidence that it could be contributing to antibiotic resistance in the general public—all at no benefit to the person buying antibacterial products, says Dolan. "Both the FDA and the American Medical Association, one of most trusted associations in the world, if not the U.S., have said that triclosan is no more effective in preventing illness than plain soap and water."

The good news is that Dolan's group, Food and Water Watch, has petitioned the Food and Drug Administration (FDA) to ban triclosan outright from use in consumer products, and another environmental nonprofit, the Natural Resources Defense Council (NRDC), recently sued the FDA to get the agency to enact tighter regulations on the chemical after three decades of delay. "We're hoping to get a more clarity on the issue," says Vivian Wang, an attorney at NRDC who helped craft the suit. "As far back as the 1970s, we've recognized that this chemical was not proven to be safe or effective, but the FDA has kept delaying action on it."

And FDA action may be the only way to get triclosan out of our water. Municipal water authorities can't remove chemicals completely from water because it would simply be too costly to do so, says Dolan, so it's imperative that we keep them out of our water and sewage systems in the first place. Otherwise, we'll all continue to be exposed, whether we want to or not.

Here are a few ways to keep triclosan out of our water, and our food:

• Don't use them in the first place. Triclosan is technically considered a pesticide, and it's regulated for certain uses by the Environmental Protection Agency. Yet, the FDA allows it in kids' bath soaps, toothpastes, and even food cutting boards. "When I'm trying to convince people not to use antibacterial chemicals, the first thing I ask them is whether or not they know triclosan is a pesticide," says Dolan. "That usually gets people's attention. Pesticides are not something we want to lather all over ourselves."

• Know where they hide. In personal-care products, triclosan is required to be listed as an "active ingredient" on the ingredients panel. However, it's used in thousands of other products, such as clothing, shoes, countertops, the aforementioned cutting boards, baby changing tables in public restrooms, garden hoses—the list goes on and on. In these products, you'll probably see triclosan's trade names advertised. Avoid any product that claims to be treated with Microban, Microshield, or Biofresh. Some other common trade names include Irgasan, Aquasept, Sapoderm, and Ster-Zac.

• Eat organic. Sewage sludge is banned in organic food production. Therefore, choosing USDA-certified organic produce is one way to lower your exposure to triclosan. If you can't find affordable organic food at your grocery store, demand it!

 

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