Study: Organic Foods More Nutritious Than Conventional

By Michael Biros
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The study looked at an unprecedented 343 peer-reviewed publications comparing the nutritional quality and safety of organic and conventional plant-based foods.

The largest study of its kind has found that organic foods and crops are more nutritious than their conventional counterparts. The study, led by a team of scientists at Newcastle University in England, found that organic foods have more antioxidants, fewer pesticide residues, and lower levels cadmium and nitrogen compounds.

Published in the British Journal of Nutrition, the study looked at an unprecedented 343 peer-reviewed publications comparing the nutritional quality and safety of organic and conventional plant-based foods, including fruits, vegetables, and grains. The study team applied sophisticated meta-analysis techniques to quantify differences between organic and non-organic foods.

Washington State University research professor Chuck Benbrook was the only American co-author of the study.

According to a WSU press release about the findings, “consumers who switch to organic fruits, vegetables, and cereals would get 20 to 40 percent more antioxidants. That’s the equivalent of about two extra portions of fruit and vegetables a day, with no increase in caloric intake.”

Antioxidants are thought to help prevent a variety of diseases, including coronary heart disease, stroke and certain cancers.

Conventional crops had twice the amount of cadmium and were three to four times more likely to have pesticide residues than the organic versions, the Newcastle study found. Cadmium is a highly toxic heavy metal contaminant that has been linked to kidney failure, bone softening, liver failure, and lung cancer.

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