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Black Spots on Bacon

Bacteria, Carnimonas nigrificans, was found responsible for the development of these spots, or black spots in cured meat products. Its development is favored by the addition of dextrose, maltose or dextrin, while inhibited by the addition of sodium nitrite or potassium bisulphite.

What is that black spot on pork?

Melanin-producing strains of Pseudomonas fluorescens were isolated from adipose tissue of refrigerated spoiled pork and beef displaying spots with black discolorations.

How do you know if bacon is bad?

When spoiled, the signature red hue of your bacon may start to become dull and fade into a grey, brown, or greenish color. Spoiled bacon may also be slimy or sticky rather than soft and moist. Bacon that has a sour smell or rotting odor should also be thrown out, as this is another sign of spoilage.

Why does my bacon have brown spots?

After sitting in the refrigerator for a week, you may notice your bacon has taken on a green, gray, or brown hue. Once again, this discoloration indicates bacteria and/or fungi have colonized your bacon. If you’re guessing this means it’s time to toss your bacon, you’re right!

Why does my bacon have grey spots?

If your bacon has turned brown or gray with a tinge of green or blue, that one has spoiled already. Too much exposure to air causes a chemical reaction on the meat that leads to the change in color.

Is it safe to eat pork with black spots?

These blackened spots, although unsightly, do not injure the meat for food, and they may be completely removed with the skin.

What are black spots on meat?

In essence, these spots are the result of bruising, which is no reason to discard the brisket. Not every animal will bleed out all the way during butchering. If it doesn’t, then the blood that’s left behind may coagulate in the packaging, creating dark spots on the flesh or fat.

Is discolored bacon safe to eat?

The bacon is safe to eat if it still has its natural pink color with the fat being white or yellow. If the bacon has turned brown or grey with a tinge of green or blue, then it has gone off.

What happens if you cook spoiled bacon?

The one mistake you don’t want to make is eating spoiled bacon, as like other delicious foods such as poultry and eggs, bad bacon can cause salmonella poisoning. So always make sure to examine your bacon carefully before cooking.

What does spots on bacon mean?

Those dark spots are actually from the mammary glands on the belly of the hog. Usually they get cut out before curing/smoking of the bacon. Not harmful but I personally would cut it off before cooking.

Why are there black spots on my ham?

The presence of black spots on dry-cured Iberian ham surface is an alteration related to microbial population. Although it provokes important economic losses for the meat industry, the microorganisms responsible for this spoilage still remain unclear.

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Written by John Myers

Professional Chef with 25 years of industry experience at the highest levels. Restaurant owner. Beverage Director with experience creating world-class nationally recognized cocktail programs. Food writer with a distinctive Chef-driven voice and point of view.

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