一块肉，如果 -18C(0F)冷冻的话，放3天和30天是没什么差别的。如果+4C(40F)冷藏，放1天和放3天是有区别的。在室温20C，放一天就臭了。
|
Category |
Food |
Refrigerator |
Freezer |
|---|---|---|---|
|
Salads |
Egg, chicken, ham, tuna & macaroni salads |
3 to 5 days |
Does not freeze well |
|
Hot dogs |
opened package |
1 week |
1 to 2 months |
|
unopened package |
2 weeks |
1 to 2 months |
|
|
Luncheon meat |
opened package or deli sliced |
3 to 5 days |
1 to 2 months |
|
unopened package |
2 weeks |
1 to 2 months |
|
|
Bacon & Sausage |
Bacon |
7 days |
1 month |
|
Sausage, raw — from chicken, turkey, pork, beef |
1 to 2 days |
1 to 2 months |
|
|
Hamburger & Other Ground Meats |
Hamburger, ground beef, turkey, veal, pork, lamb, & mixtures of them |
1 to 2 days |
3 to 4 months |
|
Fresh Beef, Veal, Lamb & Pork |
Steaks |
3 to 5 days |
6 to 12 months |
|
Chops |
3 to 5 days |
4 to 6 months |
|
|
Roasts |
3 to 5 days |
4 to 12 months |
|
|
Fresh Poultry |
Chicken or turkey, whole |
1 to 2 days |
1 year |
|
Chicken or turkey, pieces |
1 to 2 days |
9 months |
|
|
Soups & Stews |
Vegetable or meat added |
3 to 4 days |
2 to 3 months |
|
Leftovers |
Cooked meat or poultry |
3 to 4 days |
2 to 6 months |
|
Chicken nuggets or patties |
3 to 4 days |
1 to 3 months |
|
|
Pizza |
3 to 4 days |
1 to 2 months |
https://www.foodsafety.gov/keep/charts/storagetimes.html
