1. Can bacon be eaten after it has expired?
Bacon is overdue and can't be eaten. Bacon is a smoked meat food, and exceeding the shelf life will lead to a large number of bacteria. The protein contained in it will deteriorate and produce a lot of harmful substances, so it can't be eaten any more.
2. The harm of eating expired bacon
If the expired bacon itself does not completely kill bacteria during processing, it will easily cause infectious intestinal diseases if eaten; In addition, bacteria produced by expired bacon will produce exotoxin and endotoxin. Although the heated bacteria are killed, they will release endotoxin, which will easily lead to human illness.
3. How long is the shelf life of bacon?
The shelf life of bacon is generally about one month. If the bacon is frozen in the freezing layer, the shelf life can be appropriately extended.
4. How to judge whether the bacon has gone bad?
Elasticity difference
Fresh bacon is not only firm and elastic, but also the depression caused by pressing it with your fingers will recover immediately. The longer the storage time, the protein and fat contained in the bacon will be slowly decomposed by enzymes, and the muscle fibers will be destroyed, so the meat will lose its original elasticity and leave traces after being pressed with fingers.
5, there is an odor
Fresh bacon has the unique flavor of bacon, while expired bacon will produce various substances such as ketones, acids, indoles and amines due to the decomposition of protein, fat and carbohydrates by microorganisms, which makes bacon have obvious rancid smell.
6. The color is getting darker
The surface of fresh bacon looks shiny, with red or reddish color and white fat. However, with the extension of storage time, myoglobin in bacon is oxidized, and the original meat color will deepen to reddish brown. Even the longer the time, the color of the meat will turn gray and white or black spots will appear. At this point, the meat has been covered by microbial metabolites, so the bacon can no longer be eaten.
7. The surface is sticky
Fresh bacon is slightly moist in appearance and oily to the touch, but not sticky; However, expired bacon will produce sticky metabolites due to the proliferation of a large number of microorganisms, which will lead to sticky and even silky bacon surface. Sticky surface of bacon is a sign of corruption.
8. How to preserve bacon best?
Frozen storage is best. Cut the bought bacon bag, pour out the bacon, divide the bacon into two pieces, then wrap every two pieces of bacon with plastic wrap and put them in the freezer. When necessary, take out one piece and put the rest back in the freezer immediately, which not only prolongs the shelf life of bacon, but also is convenient to take.
9, bacon taboo crowd
1. People with diarrhea due to deficiency of spleen and stomach should not eat more.
2. The elderly, patients with gastrointestinal ulcer fasting.
3. Patients with acute and chronic nephritis should not eat.
4. People with edema, edema and ascites should not eat.
5. Patients with duodenal ulcer should not eat those with unhealed cold, damp-heat diarrhea, food stagnation and abdominal distension.