USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperLast reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
Discard it after the expiration date.
Storage conditions, whether they are properly cooked, and exposure to contamination change the answer — and those details are easy to miss.
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Check Your Exact Situation

Freezer
-10°C (14°F)
Store in airtight container to prevent odor transfer
Proper cooking temperatures are critical for food safety. An instant-read food thermometer (Amazon) helps ensure meat reaches safe internal temperatures and reduces the risk of foodborne illness.
2 days
Foul odor, slimy texture, discoloration
Vacuum sealing before freezing can help reduce freezer burn and extend storage time. A vacuum sealer (Amazon) helps maintain food quality during longer freezer storage.
Used in traditional Southern cuisine dishes
Other cuts of pork or beef
Chitterlings do not have a specific expiration date but rather a best quality window. Fresh raw chitterlings should be used within a few days of purchase for optimal freshness and taste. If not cooked promptly, they can spoil quickly due to their high protein content. The best quality of chitterlings is when they have a firm texture and a mild odor. Once they start to smell off or feel slimy, they should be discarded as they have likely spoiled.
When assessing the freshness of Chitterlings (Chitlins), look for a slimy texture, a foul or ammonia-like smell, or a grayish color. Fresh Chitterlings should have a clean, slightly metallic odor and a pinkish color. If you notice any of these signs, it's best to discard them to avoid the risk of foodborne illness.
Chitterlings, also known as chitlins, are the small intestines of a pig. They require thorough cleaning and cooking to prevent foodborne illnesses. Chitterlings may harbor harmful bacteria such as E. coli, salmonella, and other pathogens, so proper handling and cooking are crucial to prevent infections. It is recommended to rinse chitterlings thoroughly in cold water and then boil them for an extended period to ensure they reach a safe internal temperature of 160°F (71°C) to kill any bacteria present.
To store fresh raw chitterlings, it is recommended to keep them refrigerated at a temperature below 40°F (4°C). Place them in a sealed container or airtight bag to prevent cross-contamination with other foods. If you are not planning to cook them immediately, you can freeze chitterlings for longer storage. Simply wrap them tightly in plastic wrap or aluminum foil before placing them in the freezer. Thaw frozen chitterlings in the refrigerator before cooking to maintain their quality.
Chitterlings have a long history in Southern cuisine and African American culture. They are often associated with soul food and are commonly consumed in dishes like chitterlings and rice or chitlins with hot sauce. In the past, chitterlings were considered a food of necessity, as they were derived from less desirable parts of the animal. Today, they are enjoyed by many as a delicacy and a symbol of cultural heritage.
Chitterlings Chitlins Fresh Raw should not be consumed if left at room temperature for 3 hours. Bacteria multiply rapidly at room temperature, increasing the risk of foodborne illness. It's best to discard Chitterlings Chitlins Fresh Raw if it has been left out for more than 2 hours to ensure food safety.
When Chitterlings Chitlins Fresh Raw is frozen, it may experience changes in texture upon thawing. Freezing can cause the meat to become slightly mushy or lose some of its original texture. To minimize texture changes, consider cooking Chitterlings Chitlins Fresh Raw immediately after thawing or incorporating it into dishes where texture changes are less noticeable.
The shelf life of Chitterlings Chitlins Fresh Raw may vary slightly between brands due to differences in processing methods and packaging. However, in general, the shelf life of Chitterlings Chitlins Fresh Raw is typically around 2 days when stored properly in the freezer. Always check the expiration date on the packaging and follow any specific storage instructions provided by the manufacturer.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
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