If You're Concerned About Pesticides, Here Are 12 Foods to Consider Buying Organic

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Spinach and strawberries, two salad staples, were found to pack more pesticide residue than other produce.
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When shopping for vegetables and fruits, the amount of pesticide residue they contain might not be the first thing that comes to your mind.

That's why the Environmental Working Group (EWG) recently released their 2020 Shopper's Guide, which highlights their Dirty Dozen and Clean Fifteen lists, ranking conventionally grown foods with the highest and lowest levels of pesticide residue, respectively.

To create these reports, the EWG analyzed data from the U.S. Department of Agriculture (USDA), which regularly tests vegetables and fruits for pesticide residues. Out of the 47 most popular vegetables and fruits that were included in the EWG's analysis, the Dirty Dozen list represents the foods that were contaminated with the most pesticides, while the Clean Fifteen list are foods with the least amount pesticide residue.

This year's rankings were based on the USDA and Food and Drug Administration's (FDA) analysis of 43,700 samples.

Some of the most notable findings in this year's report was that kale ranked third on the Dirty Dozen list for the second year in a row. This is largely because the USDA found traces of DCPA, an herbicide under the brand name Dacthal, in the king of greens. The Environmental Protection Agency (EPA) considers DCPA a possible human carcinogen.

And while raisins aren't considered fresh, they have actually ranked the worst fruit on the list. For the first time since 2007, the USDA tested raisins and found that 99 percent of non-organic raisins tested contained two different pesticide residues.

Strawberries, apples, kale, cherries, spinach, nectarines and kale also tested positive for two or more pesticide residues. Plus, the EWG noted that, while not on the Dirty Dozen list, peppers contained the pesticides acephate, chlorpyrifos and oxamyl, which have been banned on some crops but not hot peppers.

Should You Worry About Pesticide Residues?

While all of these findings are important to know, you should also take them with a grain of salt. "The EWG looks at whether or not a fruit or vegetable has pesticide residues, but it does not explain to consumers that the presence of resides does not mean that the produce is harmful," Frances Largeman-Roth, RDN, nutrition and wellness expert and author of Eating in Color, tells LIVESTRONG.com.

The EPA also regulates the level of pesticides in foods that's safe to eat. Considering that 95 percent of Americans don't get enough fiber in their diet, according to a 2017 study in the American Journal of Lifestyle Medicine, it's more important that you're eating more vegetables and fruits.

"I definitely support organic farmers, and if people can afford to buy organic, that's a great choice for the planet," Largeman-Roth says. "But the risk that is posed by the very low levels of pesticide residue on conventional produce is infinitesimal compared to the risk of not eating fresh fruits and vegetables, which provide so many disease-fighting compounds," she says.

If you're concerned about the presence of pesticide residues in your food, Largeman-Roth suggests calculating your risk by using this pesticide residue calculator from the Alliance for Food and Farming.

"The calculator tells you how much of each type of conventional produce you can eat without having any adverse effects," Largeman-Roth explains. For example, an adult woman can consume 13,204 servings of blueberries in one day without having any effects — even if the blueberries have the highest pesticide residue recorded for blueberries by the USDA.

Organic vs. Conventional Produce

To be clear, organic produce or food that is organically grown can be produced using pesticides, but unlike conventional produce, these pesticides are derived from natural sources, according to the EPA.

The USDA is the only body of government that certifies organic food, and the National Organic Program is a marketing program within the USDA that sets these standards for prohibited substances.

If you're concerned about high exposure to pesticides, purchasing organic counterparts of the Dirty Dozen might be worth your dollar if you can afford it.

Foods with the USDA organic certification means that they are free of synthetic pesticides and genetically modified organisms (GMOs). So while you'll still be exposed to pesticides in organic produce, they aren't harmful to your health.

An April 2019 study in Environmental Research suggests that an organic diet may help reduce pesticide exposure in children and adults. The study involved collecting urine samples from 16 participants from four different areas of the U.S. and testing them for insecticides, herbicides and fungicides. Researchers found that an organic diet helped reduce exposure to neonicotinoid and pyrethroid, among other insecticides.

Research has also shown that organic produce might boast more health-boosting antioxidants than their conventionally grown counterparts. A landmark July 2014 meta-analysis in the British Journal of Nutrition based on 343 peer-reviewed publications, shows that organic produce has higher concentrations of antioxidants and beneficial compounds than conventional produce.

The same meta-analysis also showed that the amount of pesticide residue in conventional crops is four times higher than in organic produce. But again, these findings are small compared to the larger picture of eating more vegetables and fruits in general.

"Again, if people can find and pay for organic, that's awesome, but don't avoid your favorite fruits because you can't pay for the organic version. We're not eating enough produce as it is. Only nine percent of American adults get enough veggies and just 12 percent of us eat enough fruit, according to the Centers for Disease Control (CDC)," Largeman-Roth says.

If you're concerned about high exposure to pesticides, purchasing organic counterparts of the Dirty Dozen might be worth your dollar if you can afford it. But if you can't, you're better off eating the conventionally grown foods on the list rather than avoiding them altogether, and here's why.

Are You Getting Enough Fruits and Veggies In?

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The Dirty Dozen List

1. Strawberries

Strawberries add a sweet and tart flavor to smoothies along with a healthy dose of vitamin C.
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This ruby-hued fruit is deliciously sweet and nutrient-dense, making them a great addition to smoothies, yogurt parfaits and homemade baked goods.

Strawberries are packed with vitamin C and contain 3 grams of fiber per cup, Largeman-Roth says. "They also contain folate for a healthy pregnancy, as well as the electrolyte potassium for muscle contractions and a healthy heart," she says.

2. Spinach

There's a reason Popeye ate loads of spinach, and it's because the leafy green is rich in iron. Largeman-Roth says one cup of cooked spinach has 6 grams of iron. Iron helps delivery oxygen to muscle tissue, aiding recovering and reducing fatigue. It's also essential for boosting the immune system.

3. Kale

There's no better way to glorify your greens than adding some kale to your mix. The king of greens is packed with beta-carotene, lutein and zeaxanthin, Largeman-Roth says. "It's also high in vitamin K, which is essential for blood clotting," Largeman-Roth says. Studies show that vitamin K is also essential for cognitive and bone health, she adds.

4. Nectarines

When summer stone fruit season hits, you definitely want to stock up on nectarines. Largeman-Roth says the fruit provides lutein and zeaxanthin, which is essential for eye health. Chop a few pieces of nectarine and add them to a bowl of Greek yogurt and low-sugar granola for a satisfying breakfast.

5. Apples

No matter the type, apples are a great source of satiating fiber.
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Because apples are high in fiber, they make a great snack for curbing cravings and stabilizing blood sugar. In fact, one apple has about 4 grams of fiber.

"It also contains the flavonoid quercetin, which shows promise for its ability to protect brain neurons from oxidative damage, a known cause of Parkinson's and Alzheimer's disease," Largeman-Roth says.

6. Grapes

Craving something sweet? Reach for a bowl of grapes. The bite-sized fruit packs resveratrol, a potent antioxidant with anti-inflammatory properties, Largeman-Roth says. Resveratrol has also been shown to help protect the heart.

7. Peaches

Much like nectarines, these stone fruits are good sources of potentially disease-fighting compounds, including quercetin, catechins, anthocyanins and chlorogenic acid, that work to prevent metabolic syndrome, Largeman-Roth says.

8. Cherries

These tiny but mighty fruits are powerful sources of vitamin C and beta-carotene. They also boast essential minerals, like iron, calcium and magnesium.

"One cup of cherries contains 3 grams of fiber and 342 milligrams of potassium. They also contain phytonutrients which provide their deep red color," Largeman-Roth says.

9. Pears

Crisp and juicy, pears contain a wealth of nutrients, including vitamins C and K, potassium, copper and manganese. They are also a fiber powerhouse—a medium fruit contains 5.5 grams of fiber, which help you feel full and support healthy digestion, Largeman-Roth says.

10. Tomatoes

Use fresh tomatoes in a bright salad or cook them into a refreshing gazpacho.
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If you want to infuse some vibrance to your salads, fresh tomatoes not only add juicy flavor but they supply fiber and the antioxidant lycopene. Lycopene has been associated with a lower risk of certain types of cancer, including prostate, lung and stomach, Largeman-Roth says.

11. Celery

This crunchy veggie has become more popular recently, thanks to the celery juice craze on social media. While the juice supplies some nutrients, eating the whole vegetable provides fiber, too. One cup of celery provides 1.6 grams of fiber, plus 40 milligrams of calcium and 263 milligrams of potassium.

12. Potatoes

Don't simply dismiss this starchy veggie for its carb content. Potatoes are an excellent source of potassium, serving up 641 milligrams per spud.

"They also have 2.5 grams of fiber and contain resistant starch, which acts like fiber, promoting the health of the gut microbiome and feelings of fullness," Largeman-Roth says.

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