Refrigerator to preserve the common refrigeration temperature of food is 4 to 8 ℃, in this environment, the majority of bacteria growth will slow down. And the refrigerator freezer, the temperature is generally in the minus 18 ℃ or so, for the refrigerator in the food can generally store how long time time?
The upper layer of the freezer food preservation time
The upper layer of the freezer is suitable for storing cooked meat, salted meat, yogurt and hard cheese, etc. Unopened meat should be consumed before the preservation period. Once opened, cooked meat can only be stored for 3-5 days; salted meat and hard cheese can be stored for 3 weeks.
Preservation time of food in the lower level of the freezer
The lower level of the freezer can store food that needs to be heated quickly, such as leftovers, boiled eggs, fish and meat. Also, non-leafy vegetables and fruits that are prone to frostbite are best stored here. Boiled eggs can be stored for 7 days; leftover meals are best not to exceed 3 days, but feel abnormal, it is best to throw away; fresh fish can only be refrigerated for 1 day, and cooked fish should not exceed 3-4 days.
Preservation time of food in the preservation box category
Fresh box is located in the bottom of the freezer, the greatest humidity, more suitable for storing vegetables, such as green leafy vegetables, peppers and broccoli. This type of food can be kept for about 1 week at most.
Refrigerator food preservation too long after the attention
1, fruits and vegetables: wet and soft, sticky and slippery fruits and vegetables should be thrown away immediately. Wilted greens are just a little dehydrated, but still edible, best to boil soup.
2, meat: unopened steak and other cooked meat expired 4 days, do not eat. Frozen meats last longer, but should not be frozen again after thawing. In addition, the appearance of sticky and slippery or strange-smelling meat should also be thrown away immediately.
3, dairy products: milk is the easiest way to determine whether it has deteriorated. If the milk has a sour taste, it is best to throw it away. In addition, milk lumps or flakes are also a sign of spoilage. Cream, cheese is more difficult to determine whether it is spoiled, its safety period is generally about 10 days after the shelf life. Yogurt can still be consumed a few days after the expiration date, but the taste and nutritional value will be greatly reduced. Cheese and butter have the longest shelf life, but for safety's sake, it is best to eat within 4 weeks.
