USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage conditions, whether it is properly cooked, and exposure to contamination change the answer — and those details are easy to miss.
Last 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.
Get a yes / no answer for your bone marrow →
⚠️ Undercooked or spoiled meat and poultry are leading causes of serious foodborne illness.
Freezer
-0.4°F (-18°C)
Wrap in wax paper and foil before freezing
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.
3 days
90 days
Unpleasant 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.
Enhancing soups and stews, making sauces
Beef or veal marrow bones
Bone marrow does not have a clear expiration date but rather a degradation of quality over time. As it ages, the fat content can become rancid, leading to an unpleasant taste. Differentiating between safety and quality is crucial. While expired marrow may not necessarily make you sick, it can have an off-putting flavor and texture.
To determine if bone marrow has gone bad, check for any discoloration or slimy texture on the surface. Fresh bone marrow should have a vibrant, creamy white color and a firm texture. Additionally, a sour or unpleasant odor is a clear sign of spoilage.
Bone marrow poses a risk of foodborne illness primarily due to bacterial contamination. Pathogens like Salmonella, E. coli, and Listeria can be present if not handled and cooked properly. To reduce the risk of foodborne illness, ensure thorough cooking to kill any harmful bacteria. High-risk scenarios include consuming undercooked or contaminated bone marrow, especially for individuals with weakened immune systems.
For optimal storage, freeze bone marrow in an airtight container to extend its shelf life. Properly wrapped marrow can last for several months in the freezer without significant quality loss. When ready to use, thaw it in the refrigerator for even defrosting. To enhance flavor, consider seasoning the marrow before cooking, such as with herbs or spices.
Bone marrow has a rich culinary history and is considered a delicacy in many cultures. It has been consumed for centuries in various cuisines worldwide. In some cultures, bone marrow is believed to have medicinal properties and is used in traditional remedies. Fun fact: The practice of eating bone marrow dates back to ancient times, where it was highly valued for its nutritional benefits.
Bone Marrow can be stored in the freezer for up to 3 months to maintain its quality. For longer storage, consider vacuum-sealing or using freezer-safe containers to prevent freezer burn and maintain taste and texture.
If Bone Marrow has been left at room temperature for 2 hours, it's best to discard it. Bacteria multiply rapidly at room temperature, increasing the risk of foodborne illness. To ensure food safety, always refrigerate Bone Marrow promptly after use.
The type of container can impact the shelf life of Bone Marrow. Airtight containers are ideal for storing Bone Marrow in the refrigerator as they help maintain freshness and prevent contamination. Avoid storing Bone Marrow in containers that are not food-safe or leak-proof.
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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