Yes, grated cheese should be refrigerated to maintain its freshness and prevent spoilage. Like any other perishable food item, grated cheese is prone to bacterial growth and deterioration if left at room temperature for an extended period.
When cheese is grated, its surface area increases, which makes it more susceptible to air exposure and bacterial contamination. Refrigeration helps slow down the growth of bacteria, mold, and yeast, preserving the quality and safety of the grated cheese.
Here are some tips for properly storing grated cheese:
Refrigerate promptly: After grating the cheese, place it in an airtight container or resealable bag, and refrigerate it promptly. Avoid leaving grated cheese at room temperature for too long.
Use airtight containers: Choose containers that seal tightly to minimize air exposure, which can lead to the cheese becoming dry and stale.
Check the expiration date: Grated cheese typically comes with a "best by" or expiration date. Make sure to use the grated cheese before this date for the best quality.
Store in the right part of the refrigerator: Place the grated cheese in the main body of the refrigerator, not in the refrigerator door. The door is subject to temperature fluctuations, which may affect the quality of the cheese.
Avoid cross-contamination: If you have different types of grated cheese (e.g., cheddar, mozzarella, parmesan), store them separately to prevent flavors from mingling.
By following these storage guidelines, you can keep your grated cheese fresh and safe to use for an extended period. If you notice any signs of mold, off odors, or a change in texture, discard the grated cheese immediately.