How long can beef be refrigerated?

3 days to 1 week.

The cold storage temperature in the refrigerator is low, which can inhibit the reproduction of bacteria to a certain extent and maintain the freshness of food. Under normal circumstances, the whole beef surface is kept dry, and it can be kept fresh for about 65,438+0 weeks in the refrigerator, so that the skin of beef will become very dry, which is helpful for internal preservation. The shelf life of beef slices is short, preferably no more than three days.

2

How does beef turn green in the freezer?

There are three possibilities for this to happen:

First, beef contains excessive copper ions.

Second, the storage time of beef is too long or the storage method is unreasonable, and a large number of bacteria are produced on its surface, which in turn leads to oxidation reaction.

Third, it is also possible to buy water-injected meat. The greening of beef is mainly caused by water injection. After water injection, the shelf life of beef will be shortened, and oxidation reaction will occur after storage for a period of time. The discoloration may be that the beef has gone bad, and such beef is inedible.

three

How long can beef be frozen?

3-4 months.

Freezing is to slow down the spread of bacteria, not to stop the spread of bacteria. When the meat is frozen, the spread speed of various bacteria is obviously reduced, but it does not stop, so the meat is still slowly deteriorating. Beef is more stable than poultry. Generally, it can be preserved for about 3-4 months after freezing, but in order to ensure its flavor, it is better to eat it as soon as possible.

four

Let the raw beef stand at room temperature for a few days.

The storage time of raw beef at room temperature has a great relationship with indoor temperature. If the room temperature is above 25 degrees Celsius, beef may start to deteriorate in about 6 hours. If the room temperature is around 10- 15 degrees, it can be stored for about one day; However, if the room temperature is lower than 10 degrees Celsius, the storage time may be longer.

five

How to choose beef

Observe color

Normal fresh beef muscle is dark red, uniform, shiny and slightly dry, especially in winter, it is easy to form a thin air-dried film on its surface, and the fat is white or cream-colored. Old beef has dark muscle color and yellow-green fat.

Touch and feel

Fresh beef is elastic, the depression can be recovered immediately after finger pressing, and the muscle fibers in the new section are delicate. The depression of stale beef can not be recovered after being pressed by fingers, leaving obvious indentation.

smell

Fresh meat has the taste of fresh meat and no other odor; Stale beef has a smell, even an unpleasant smell.