While washing all produce before cutting into it is a basic element of kitchen hygiene, many people assume washing fruits and vegetables with peels and rinds to be unnecessary. Although intuitive, this can be a hazardous mistake as dangerous pathogens and pesticide residue can be carried by knife blades from the surface of the skin into the flesh, contaminating the produce. The only way to prevent this contamination from happening is, naturally, to wash the rind or peel of items such as citrus fruits, avocados, pineapples, melons, and kiwis before cutting in and using or serving.

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