In a completely sealed state, it is still 1 kg after freezing. If the seal is not good, some water in fresh beef will evaporate, and the weight after freezing is the weight after deducting the lost water. The longer the freezing time, the more water will evaporate and the lighter the meat will be.
Preservation method of raw meat:
1, vacuum box
The bacteria used can't survive in a sterile environment, which can prolong the storage time of pork. At the same time, in the pressurized environment, the meat quality of pork is more compact, which makes the pork taste better.
Step 2 soak in soy sauce
First cut the bought pork into fist-sized pieces, and then boil the prepared soy sauce. After the soy sauce is cooled, pour it into the pot filled with pork, and then cover it. According to this method, pork can be preserved for about two months. If it is preserved in this way, pork will not produce other odors.
3. Refrigerator preservation
First, the pork is divided into disposable quantities and packed in fresh-keeping bags. Then put it in the freezer of the refrigerator. Next, before each meal, take the meat out of the refrigerator and thaw it at room temperature.
The main advantage of cold meat is that it is safer and more hygienic than hot meat when stored at 0-4 degrees Celsius. Meat tastes more delicious when cooked; The disadvantage is that it is best to buy and eat on the same day, not more than three days; Buy more or go into the freezer.