Why do bananas turn black in the refrigerator?
I've noticed that a banana in the refrigerator will turn pitch black in just a few hours. Why is this?
Best Answer
Your fridge speeds production of polyphenols, which speeds the blackening process. Unrefrigerated bananas ripen by ethylene gas which will also eventually turn them black, but the cold short circuits that process.
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Quick Answer about "Why do bananas turn black in the refrigerator?"
Why do bananas go black in the fridge? The thing with bananas is that they emit a lot of ethylene gas, which is a ripening agent. A green banana, a tropical fruit, will stop ripening in a cold environment but the gas continues to be released. This will break down cell walls and so the peel becomes black.How do you keep bananas from turning black in the fridge?
As with apple slices, adding lemon or lime juice to peeled bananas can help preserve their freshness. Basically, the citrus slows down the oxidation process. You can also use lime orange juice or pineapple juice. If you've already sliced the banana, toss it with a teaspoon or two of citrus juice.Can you eat black bananas from fridge?
Bananas can go from yellow with brown spots to totally black and still be okay to eat and use for baking. In fact, black bananas are some of the best for making banana bread because they have developed more sugar as they sit around and therefore taste sweeter. They may also be moister, which is perfect for baked goods.Are bananas okay to eat black?
If the bananas are moldy, smell rotten, or have a black center \u2014 aka black center syndrome, a fungal condition \u2014 do not eat them. As The Whole Portion confirms, these are bananas to avoid.Why do bananas go bad in the fridge?
Bananas grow in hot climates, so they are unused to the cold. If they're kept at a cold temperature, the enzymes that enable them to ripen are inhibited. And as those enzymes become inactive, other enzymes operate more efficiently. Some cause cell damage, while others (browning enzymes) cause the skin to blacken.More answers regarding why do bananas turn black in the refrigerator?
Answer 2
It is because, the water that is present inside the veins of bananas get expanded when is cooled from 4 deg celsius to 0 deg. at refrigerator. As the expansion of veins reaches climax it can't be holded any more and finally bursts causing blackening of bananas. It is included in the topic ANOMALOUS EXPANSION OF WATER!!!!
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