What preparation method offers the highest rate of pesticide residue elimination when organic sourcing is not an option?

Answer

Completely removing the peel.

Cucumbers often carry pesticide residues, and growers frequently apply a wax coating which can trap contaminants. While washing with running water can reduce residue levels by about 51%, the most effective measure mentioned for minimizing exposure is the complete removal of the peel. Eliminating the skin is documented to remove up to 93% of the residues present on the surface, offering a significant trade-off against losing some fiber and Vitamin K.

What preparation method offers the highest rate of pesticide residue elimination when organic sourcing is not an option?
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