Onions: Onions provide rich amounts of antioxidants. They also have a flavonoid called quercetin, which may help inhibit the growth of H. pylori bacteria, which underlies most stomach ulcers.
Avocados: The Environmental Working Group tested more than 3,000 pieces of produce for agricultural chemical residues and only one percent of avocado samples showed any detectable pesticides.
Pineapples: The thick skin of pineapples absorbs most of the pesticides used for cultivation. 89% of the pineapples tested had no residue.
Grapefruit: Thanks to the grapefruit’s dense peel, pesticides are kept from invading the juicy fruit.
Mango: Like their friend the grapefruit, their dense peel protects their insides from toxic chemicals used for production.
Cantaloupe: Pesticide residue is unable to get past the tough peel of cantaloupe, protecting its juicy insides and making it one of Environmental Working Group’s “Clean 15.”
Secret: Clean 15 Dirty dozen is a great tool to utilize while grocery shopping. It helps determine which foods are safe to buy non-organic. You can find all of the above items on the clean 15 list.