Why is my raw steak GREY?

Asked By: Iron Jitny | Last Updated: 14th February, 2020
Category: food and drink barbecues and grilling
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Raw meat can go through more than one color change after being packaged and before cooking. This is due to the presence of proteins in red meat known as myoglobin. The presence of gray or brownish colors could indicate spoilage or harmless freezer burn, depending on other factors such as how the meat was stored.

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Keeping this in view, is it OK to eat steak that has turned GREY?

If the meat is not exposed to oxygen, it changes to a gray-brown hue. But that does not mean it is spoiled. Ground beef that has been frozen may also turn gray, but it is still safe to eat if stored properly.

Beside above, what color should raw steak be? As discussed earlier, fresh cut meat is purplish in color. Oxygen from the air reacts with meat pigments to form a bright red color which is usually seen on the surface of ground beef purchased in the supermarket. The interior of the meat may be grayish-brown due to the lack of oxygen penetrating below the surface.

Also to know, why is red meat GREY?

Freshly cut meat is pink-red due to the reaction of myoglobin with oxygen. It turns gray as myoglobin changes to metmyoglobin. Packaging (and exposure to carbon monoxide) enhances and prolongs the red color.

What happens when steak turns GREY?

The presence of oxygen, however, eventually turns beef grayish-brown. Myoglobin's chemical compound contains iron, which, after a few days of oxygen exposure, will oxidize. This creates metmyoglobin, which is responsible for the meat turning grayer than your grandpa.

37 Related Question Answers Found

What does bad steak look like?

A slimy surface film that you can see or feel on a piece of steak is a sign of rancid meat or spoilage. If you don't yet see film on your steak, but it has a strange color, like more brown, yellow, or green than the bright, purplish red color it should have, you might also have spoiled beef.

Why does meat go GREY in fridge?

After your package of raw meat has been stored in the refrigerator for five days or more, it may fade, darken or turn an unappetizing gray. This indicates a chemical change has occurred in the protein of the meat.

How long is raw steak good in fridge?

Raw steak can last anywhere from 2 days to two weeks in your refrigerator. It all depends on how it is packaged.

Is oxidized steak OK to eat?

Answer: The steaks should be fine. As the U.S. Department of Agriculture points out, it's normal for fresh meat to change color during refrigerator storage. For instance, it's common for beef to turn more of a brownish shade, due to oxidation.

How can you tell if beef is off?


If you're not sure how to tell if meat is bad, give it a good smell. If it smells rancid, strong, or unpleasant, the meat has probably gone bad and should be thrown away. If it smells okay but you're still not sure, touch the surface of the meat. If it feels sticky or slimy, it is probably bad.

What happens if you eat spoiled steak?

Like any other old, spoiled food, bad meat can make you sick. If the meat has been contaminated with something pathogenic, like bacteria or toxins, it can make you sick. People who eat rancid meat are likely to get sick.

How long does beef last in the fridge?

Kitchen Fact: Raw ground meats and poultry should be cooked in 2 days, and roasts, steaks, and chops should be cooked in five days. For raw poultry, ground meats, and other chopped-up cuts of meat, cook them within two days.

Is steak still good if its been in the fridge for a week?

Usually raw beef steaks and roasts can be safely refrigerated for 3-5 days, ground beef for 1-2 days. However, those are just general rules. To check for freshness, check the odor, color, and texture of the meat. And if in doubt do not eat it!

How do I know when a steak is done?

The Easiest Way to Tell When Your Steak is Done
  1. If you'd like your steak medium-rare, it should feel like your cheek: tender and soft but still fleshy (as opposed to raw, which would be just soft).
  2. If you want a medium steak, touch your chin: The steak should still be tender, but with some resistance.

What does raw beef smell like?


Fresh beef will have a slight smell, but beef starting to go bad will smell rotten or sour. The smell is produced from gases made by some of the bacteria on your beef. If there is a strong smell, avoid eating it. Always cook the beef thoroughly to kill bacteria.

Why does my steak taste like liver?

1. The uniquetaste of liver and what most people may mean when they say something tastes like liver apparently comes from the high iron content of that organ. The hemoglobin in blood also has high iron content. Bloody meat could be a cause of livery taste.

Is steak that is brown OK to eat?

Answer: The steaks should be fine. As the U.S. Department of Agriculture points out, it's normal for fresh meat to change color during refrigerator storage. For instance, it's common for beef to turn more of a brownish shade, due to oxidation.

Why does my steak smell like cheese?

Steak Smells Like Cheese
You may also notice that steak smells a bit like cheese when it's cooking. This happens primarily to dry-aged steaks from the produced lactic acid that results from the dry-aging process. This can cause a taste and smell that is similar to blue cheese.

Why does red meat go brown?

Why Red Meat Turn Brown When Vacuum Sealed. Cooking meat at a high temperature browns meat because of the maillard reaction. As meat ages it turns brown from oxidation. The oxidation process is a result of the bound iron molecule in myoglobin going from the ferrous to ferric form.

What color is bad steak?


This slimy film is usually created just before the meat starts to mold and go bad. Another noticeable sign of steak gone bad is when several color patches are created on the surface. If you notice colors like brown, yellow or green instead of the red, pinkish meat color, then your steak is spoiled.

How can you tell if red meat is bad?

Beef that has gone bad will develop a slimy or sticky texture and smell bad or "off." If beef develops a grayish color, that doesn't necessarily mean it has gone bad. Don't taste meat to determine if it's safe to eat or not. Call the USDA's hotline.

What does it mean when steak is dark red?

Why is some meat bright red and other meat very dark in color? When exposed to air, myoglobin forms the pigment, oxymyoglobin, which gives meat a pleasingly cherry-red color. The use of a plastic wrap that allows oxygen to pass through it helps ensure that the cut meats will retain this bright red color.