A food handler has opened a container of commercially prepared potato salad. After how many days must the potato salad be discarded if it has been properly stored?

Commercially prepared potato salad should be discarded after seven days if properly refrigerated to prevent the potential growth of harmful microorganisms.

Explanation:

The United States Food and Drug Administration (FDA) recommends discarding commercially prepared potato salad after seven days of opening if it has been properly refrigerated at 40°F or below. Microorganisms, such as Clostridium botulinum, which are potentially harmful to health, begin to grow in food after this period. The potato salad mentioned in this question was commercially prepared, therefore, different to home-canned potatoes which caused the botulism outbreak in the provided reference. Keeping food storage concerns in mind, refrain from eating the potato salad past seven days to ensure safety.

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