Can canned black olives go bad?

The short answer is yes, olives do go bad. That said, it usually takes a pretty long time for that to happen if they were in good condition when you bought 'em and they've been properly stored since.
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Can I eat expired black olives?

But remember, olives, like a lot of other fruits, usually have a best before date and not a use by date. Because of this distinction, you may safely use olives to compliment your favorite meals even after the best before date has lapsed.
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How do you know if canned black olives are bad?

How can you tell if opened olives are bad or spoiled? The best way is to smell and look at the olives: if the olives develop an off odor, flavor or appearance, or if mold appears, they should be discarded. Discard all olives from cans or bottles that are leaking, rusting, bulging or severely dented.
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Can you get food poisoning from canned olives?

Foods which contain the clostridium botulinum bacteria

These include canned foods which have not been properly preserved, packaged or vacuum packed foods, meat and seafood. In most cases it occurs due to foods which have not been adequately preserved or stored in cans. Examples (canned) include: Olives.
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Can you get botulism from canned olives?

With a total of 19 botulism deaths in three states — that were conclusively linked to canned California olives — made the outbreak one of the deadliest outbreaks in the U.S.
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Why Can’t You Buy *Fresh* Olives?



Can olives give you botulism?

Organic Isn't Always Safer When It Comes To Botulism : The Salt An outbreak of botulism linked to organic Italian olives makes it clear that even food that sounds pristine can harbor deadly pathogens.
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How do you know if olives are bad?

If the olives give a funky odor, or the oil smells rancid, throw them out. Second, consider the appearance. If the olives are in brine and there's a layer of white mold at the top, Mezzetta says it's fine to remove it and continue eating.
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Can of black olives have white stuff in it?

If your olives get exposed to air, they can develop a white film. It is the healthy lactobacillus probiotic bacteria from the fermentation process. It is perfectly normal and safe to eat. In fact, it helps you digest food.
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What happens if you eat off olives?

Eating bad olives can also lead to diarrhea and/or vomiting – typical symptoms of food poisoning. By emptying your stomach, taking activated charcoal, and drinking enough water you can cope with that problem pretty fast. But if the symptoms are really nasty, don't hesitate and go to the hospital!
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Why are my black olives Discolouring?

"Ripe Black Olives" in a can are actually olives which are neither black nor ripe when they are picked. They are picked very green and then cured using dilute brine and lye solutions. Lye treatments cause natural phenolic compounds in the olives to oxidize to a black color.
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How long does it take for olives to go bad?

Opened liquid-free olives usually last up to 3 days. Liquid packed ones typically keep for at least a week or two, but often much longer if you take good care of them. Refrigerate the olives after opening. Make sure they are submerged in brine or any other liquid they come in.
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Do olives go bad if not in brine?

As for dry-packed olives, those should go in the fridge in an airtight container from day one. Oh, and one last bit of good news before we sign off: Olives of any kind can be frozen without brine in an airtight plastic container for up to six months.
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Why do olives taste metallic?

Flavour that is reminiscent of metals. It is characteristic of oil which has been in prolonged contact with metallic surfaces during crushing, mixing, pressing or storage.
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Can mold grow in a jar of olives?

But never use your fingers to get the olives out of the jar! You may be adding bacteria or germs. If white film or mold develops, simply remove it by tipping over the jar and pouring out the film. You can add a teaspoon or so of vinegar to the jar to keep this film from forming.
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Can olives go Mouldy in brine?

If mould is growing, tip the brine out, rinse the olives well and clean the olive container and make fresh brine. Remove the lid and check the olives weekly. Taste them after a month or two. If they are still too bitter, keep soaking them until you are happy with it.
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What is the white stuff floating in my olive jar?

Speaking of olives, when the jar of green olives gets a little white film on top, don't toss them. This is known as "mother" and is not harmful. You can scoop it off with a spoon, and then add a teaspoon of vinegar to the jar to help prevent it from forming again.
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How long do canned black olives last once opened?

Unopened cans of olives keep up to one year on a cool, dry shelf. Once you have opened a can, store the olives completely submerged in their own liquid in a covered container in the refrigerator for one to two weeks. Olives bought in bulk and stored steeped in oil keep several months in the refrigerator.
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Can eating too many black olives make you sick?

As frightening as these words sound, however, there is no proven issue with either trace metals or acrylamide in olives. The real danger of eating too many olives comes from something much more common and much harder to avoid.
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What kind of olives are canned black olives?

Black olives, though labeled as “ripe” on supermarket cans, actually aren't: these, a California invention, are green olives that have been cured in an alkaline solution, and then treated with oxygen and an iron compound (ferrous gluconate) that turns their skins a shiny patent-leather black.
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How can you tell if canned goods have botulism?

the container is leaking, bulging, or swollen; the container looks damaged, cracked, or abnormal; the container spurts liquid or foam when opened; or. the food is discolored, moldy, or smells bad.
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Are canned olives safe?

Drawbacks: Sodium

Because of their moderate to high sodium intake, you should consume canned olives in moderation. Too much sodium increases your blood pressure and contributes to a range of chronic diseases, including kidney disease and heart disease.
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Why are black olives not in jars?

The short of it is — black olives are “always” in a can because the canning process is what creates the desired sweetness; and green olives are “always” in a jar because the final product is expected to be a crispy raw olive, not a cooked one.
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Are black olives healthy?

Black olives are rich in fatty acids and antioxidants that nourish, hydrate and protect. Chief among those is vitamin E. Whether applied topically or ingested, vitamin E has been shown to protect skin from ultraviolet radiation, thus guarding against skin cancer and premature aging.
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Are all black olives dyed?

Are they real or just dyed black? The colour of an olive that you get from the shop actually has nothing to do with what type it is: Olives are green when they're plucked unripe from the tree and will change colour as they become increasingly ripe, from reddish brown to dark violet or jet black.
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