Pork frozen for two years can not be eaten.
The longer the meat food is frozen, the greater the likelihood that fat oxidation will occur. Freezing time is too long, will also make the food in some of the material loss, color deterioration. So storage of meat food is best used within a short period of time, which can ensure the color and freshness of the food. Pork frozen for two years is already very long, it is not edible.
And home refrigerator, generally not up to the freezing temperature and effect of cold storage, food in the refrigerator freezer, the temperature can only be maintained at minus ten degrees, a long time, will still slowly deteriorate. The freezing of food can reduce the spread of bacteria, but cannot stop the spread of bacteria. When food is frozen, the spread of various bacteria is significantly reduced, but not stopped. So the food is still slowly deteriorating, and as time goes on, ingredients are being lost and the taste deteriorates.
How to choose pork
1, look at the color
Normal fresh pork, if it is hot meat, the color is bright red or dark red; if it is cold meat, the color is more pink.
2, look at the feel
Fresh quality pork, with the hand, hot fresh meat slightly greasy, but the overall is still relatively dry; and cold fresh meat is relatively clean, not greasy and not wet. Both hot and cold fresh pork are more elastic and can rebound when pressed with the hand.
3, smell
Normal fresh meat, hot fresh meat is more blood, fishy smell slightly larger, but still acceptable, cold meat basically nothing fishy.
4, ask the price
Pork is very popular, so its price is relatively stable, the same day the meat will not be too much difference, mainly on the parts of the price difference.