Is It Safe To Eat Black Bananas? - Tasting Table (2024)

ByChris Sands

Thinking about throwing out those brown- or black-spotted bananas because you think they're bad? Don't. You'll be missing out on a powerhouse of nutrition, including health benefits you've probably never even dreamed of.

These fruits, as it turns out, benefit their consumers in different ways depending on the stage they're eaten and the ways the bananas have been kept fresh. Underripe bananas, for example, as Business Insider observes, are better for those suffering from diabetes, because the starch in them hasn't yet converted into sugar. Ripe bananas, by contrast, are an excellent home remedy for constipation, thanks to a soluble fiber, per Well and Good, that aids digestion.

But those older, overripe bananas with the brown and black spots? Those are the bananas you should want to eat most. For starters, they're very rich in antioxidants, reports India Today. They also relieve heartburn, soothe ulcers, prevent anemia, ease menstrual cramps, and have a host of other benefits, per Winkgo. Oh, and did we mention they also help prevent cancer due to a compound called TNF (short for tumor necrosis factor)?

How black bananas help prevent cancer

Is It Safe To Eat Black Bananas? - Tasting Table (2)

praneem79/Shutterstock

Prevention of cancer is a pretty remarkable benefit of overripe bananas. Here's how it works: The overripe banana has converted its starches into sugars, and thus become sweeter —and better for baking treats such as banana bread. As this happens, notesBusiness Insider, the chlorophyll in bananas breaks down, becoming more antioxidant-rich in the process. These antioxidants, per India Today, help prevent or delay cell damage in humans. The dark spots on the banana, meanwhile, precipitate the creation of TNF, a compound that kills cancerous or abnormal cells in our bodies.

Be warned, however, that eating black bananas may not always be safe. Do not wait, Life Hackwarns, for the banana to become completely black, as this is evidence of reduced nutritional benefits. If the bananas are moldy, smell rotten, or have a black center — aka black center syndrome, a fungal condition — do not eat them. As The Whole Portion confirms, these are bananas to avoid. Otherwise, enjoy one of the most underrated nutritional sources you're likely to find at your local supermarket.

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Is It Safe To Eat Black Bananas? - Tasting Table (2024)

FAQs

Is It Safe To Eat Black Bananas? - Tasting Table? ›

Do not wait for the banana to become completely black, though, as this reduces the nutritional benefits. If the bananas are moldy, smell rotten, or have a black center — aka black center syndrome, a fungal condition — do not eat them.

Are bananas with black center syndrome safe to eat? ›

The Takeaway. Completely black bananas are likely safe to consume as long as there is no visible mold, a rotten smell, or the fruit inside is black.

Are fermented bananas safe to eat? ›

Although some people throw away bananas with brown spots or a blackened peel, they're usually still edible. However, bananas are no longer safe to eat if the fruit inside is black, if there's any mold, or if they smell rotten or fermented.

Is the black part of the banana edible? ›

This black bit is entirely edible but people often throw it away because it has a tough texture and a bitter taste.

Are black bananas in fridge safe to eat? ›

The cold temperature of the fridge will cause the skin of the bananas to darken after a few days. The bananas will still be edible at this point, but you should look for signs of mold or if the flesh has begun to ferment or smell off—this means they're probably rotten and at this point, they should be discarded.

Is it safe to eat a banana with nigrospora? ›

There are no reports suggesting the harmful effect of eating bananas infected by Nigrospora spp.

What does it mean when bananas are black in the middle? ›

While it's okay if the banana peel is dark brown or even black, if the inside is too, then the fruit is beyond ripe and now on its way to rotten. Another sign that bananas have gone bad is if they start leaking any fluids.

Do bananas ferment in the gut? ›

Unripened bananas contain high amounts of resistant starch, which, in large quantities, may cause mild symptoms such as gas and bloating. 9 Resistant starch is not broken down in the stomach or small intestine, but instead is fermented by the healthy gut bacteria in the large intestine.

Why do my bananas taste like alcohol? ›

As fruit start to age, especially bananas, they slowly begin to ferment. This process also creates ethanol, resulting in very low levels of alcohol. The riper the banana gets, the higher the alcohol rises.

What happens if you ferment bananas? ›

This funky and delicious vinegar is made very simply by leaving bananas to ferment in the sun. Because of the sugars in bananas, the vinegar-making process from fruit to ethanol to acetic acid is very quick here, turning it into vinegar in just a few weeks.

How to tell if a banana has gone bad? ›

If the banana is totally brown with no yellow showing, is soft or squishy, is showing signs of mold, is leaking fluid or smells rotten, it is beyond saving. A banana that is ripe will have a yellow skin covered in brown spots, will smell sweetly of banana and will be the texture of a ripe avocado.

Which part of banana is not edible? ›

The roots of the banana plants are the only parts that are not consumed as food by humans.

Are black bananas healthier? ›

But those older, overripe bananas with the brown and black spots? Those are the bananas you should want to eat most. For starters, they're very rich in antioxidants, reports India Today. They also relieve heartburn, soothe ulcers, prevent anemia, ease menstrual cramps, and have a host of other benefits, per Winkgo.

Are banana bruises safe to eat? ›

If the peel is still intact and there's no mold in sight, that bruised banana is still nutrient rich, fiber filled, and safe for snacking! The flavor and texture of the damaged area will change a bit and if that's not your thing, I totally understand.

Does freezing bananas turn them black? ›

After thawing and peeling a banana frozen in its peel, it will come out of the peel in an essentially mashed texture. Freezing bananas in their peels causes them to turn a brown (or even black!) color, which can be off-putting, but they're perfectly safe and delicious for that next loaf of banana bread.

Why did my bananas turn black overnight? ›

Once bananas are ripe to your likening, store them in the fridge. It's OK if the peel turns brown, or even black. This color change comes from pigment in the peel. It doesn't impact the fruit inside which should still have a good flavor and texture.

What is the black end disease in bananas? ›

The fungus causes anthracnose2 and black end rot of banana. The disease is a post-harvest problem affecting the fingers of the fruit. Symptoms do not occur on the leaves. The disease can be serious on overripe fruit, or on unripe fruit that is damaged by being badly handled and bruised after harvest.

Is there anything wrong with a bruised banana? ›

If the peel is still intact and there's no mold in sight, that bruised banana is still nutrient rich, fiber filled, and safe for snacking! The flavor and texture of the damaged area will change a bit and if that's not your thing, I totally understand.

What is the black finger disease in bananas? ›

musarum): A black necrosis spread from the perianth into the tip of immature fingers. The rotted portion of the banana finger is dry and tends to adhere to fruits (appears similar to the ash of a cigar).

Do bananas have black seeds in the middle? ›

However, unlike typical fruits, bananas do not develop seeds within their flesh. Instead, they possess small black dots called seeds, or more accurately, vestigial seeds. These relics are non-functional and are unable to germinate.

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