Ace the Food Manager Test 2026 – Cook Up Your Success Story!

Question: 1 / 400

Freezing food at what temperature for how long is recommended for killing common parasites?

-20 degrees F for 3 days

-4 degrees F for 7 days

Freezing food is an effective method for killing common parasites that may be present in certain food items. The recommended practice for ensuring that parasites are effectively eliminated involves maintaining a temperature of -4 degrees Fahrenheit for a minimum duration of 7 days.

At this low temperature, the combination of time and temperature works to ensure that parasites such as those found in fish (e.g., Anisakis) are killed. The 7-day period at -4 degrees provides a sufficient time-frame for the temperature to penetrate the food item and inactivate the parasites, which is vital for food safety, especially when it comes to serving raw or undercooked fish and seafood.

While other options suggest different temperatures and durations, none meet the established food safety guidelines as effectively as freezing at -4 degrees Fahrenheit for 7 days. This method is in line with the recommendations made by food safety authorities, ensuring that food served to consumers is safe from parasitic infections.

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-31 degrees F for 10 hours

-10 degrees F for 24 hours

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