: Unlike white potatoes, conventional sweet potatoes are not typically sprayed with chlorpropham, a chemical used to prevent sprouting that some consumers prefer to avoid. Nutritional Comparisons EWG's Shopper's Guide to Pesticides in Produce
: Even when residues are present on conventional sweet potatoes, they are typically found in very small amounts far below federal safety limits.
: Sweet potatoes frequently appear on the Environmental Working Group (EWG) "Clean Fifteen" list, which identifies produce with the lowest pesticide residues. In USDA testing, about 60% of conventional sweet potato samples had detectable residues, compared to 95% of regular white potatoes.
Buying organic sweet potatoes depends primarily on your priorities regarding and environmental impact , rather than major nutritional differences . While sweet potatoes are generally considered one of the "cleanest" conventionally grown vegetables, organic options offer additional peace of mind for those wanting to avoid synthetic chemicals entirely. Pesticide Exposure and Safety
