Cantaloupe

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Cantaloupe
The Concern: These orange-fleshed melons are different from honeydew and watermelon, since their "netted" exterior is more porous, so contaminants from soil, water, animals (and their manure) can get trapped in the rind. Plus, unlike other fruits, they're not acidic, so pathogens can grow more easily once you cut the melon open.

Small Thing to Keep in Mind: As many of us already do, avoid buying cantaloupes that look bruised; and, if you purchase precut cantaloupe, make sure it's refrigerated or on ice. Finally, don't let the sliced fruit sit out at room temperature for more than two hours.