An excerpt from the NYT article "Five Easy Ways to Go Organic"
5 organic foods that can have the biggest impact from Dr. Alan Greene author of "Raising Baby Green"
2. Potatoes: Potatoes are a staple of the American diet — one survey found they account for 30 percent of our overall vegetable consumption. A simple switch to organic potatoes has the potential to have a big impact because commercially-farmed potatoes are some of the most pesticide-contaminated vegetables. A 2006 U.S.D.A. test found 81 percent of potatoes tested still contained pesticides after being washed and peeled, and the potato has one of the the highest pesticide contents of 43 fruits and vegetables tested, according to the Environmental Working Group.
3. Peanut butter: More acres are devoted to growing peanuts than any other fruits, vegetable or nut, according to the U.S.D.A. More than 99 percent of peanut farms use conventional farming practices, including the use of fungicide to treat mold, a common problem in peanut crops. Given that some kids eat peanut butter almost every day, this seems like a simple and practical switch. Commercial food firms now offer organic brands in the regular grocery store, but my daughter loves to go to the health food store and grind her own peanut butter.
4. Ketchup: For some families, ketchup accounts for a large part of the household vegetable intake. About 75 percent of tomato consumption is in the form of processed tomatoes, including juice, tomato paste and ketchup. Notably, recent research has shown organic ketchup has about double the antioxidants of conventional ketchup.
5. Apples: Apples are the second most commonly eaten fresh fruit, after bananas, and they are also used in the second most popular juice, after oranges, according to Dr. Greene. But apples are also one of the most pesticide-contaminated fruits and vegetables. The good news is that organic apples are easy to find in regular grocery stores.