时差N小时:当香蕉开始腐坏 When Good Bananas Go Bad

Those spots are a natural part of the ripening process.

You see, just like all fresh produce, your bananas are alive.

They're taking in oxygen to help them convert sugars into energy, and releasing carbon dioxide.

This process is called respiration.

The quicker a fruit or vegetable respires, the quicker it ripens.

For most fruits, the respiration rate slows down after the initial growth stage and the fruit ripens slowly.

The growth and ripening process of bananas, however, is different.

Although at first the banana's respiration slows down too, when it's ready to ripen, the banana's pulp releases a chemical that increases respiration.

This converts the starches in the banana to sugars and gives it its fabulous taste.

With all this respiration, the banana eventually processes all the starches available.

And that's when it begins to die.

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