Valérie Fernandez

By Valérie Fernandez

July 5, 2016


Ripe or Underripe?

Article revised on 12 June 2017

Did you know that not all fruits can ripen off the branch?

For example, there’s no problem with buying green bananas. Just keep them in a bowl on the counter for a few days to get the desired degree of ripeness. Bananas are a climacteric fruit.

But, certain fruits should be bought when they are at their peak of ripeness, because they can’t continue to ripen after being picked. These are non-climacteric fruits. If they soften after you’ve taken them home, that means that they are deteriorating. Store them in the refrigerator to keep them longer.

Think you already know which group all the fruits you enjoy fall into?

Fruits that can ripen at room temperature
Fruits that can ripen at room temperature
• Apricot• Citrus fruit
• Avocado• Pineapple
• Banana• Blueberries
• Kiwi• Cherries
• Mango• Strawberries
• Melon• Raspberries
• Nectarine• Lychees
• Papaya• Grapes
• Apple
• Peach
• Pear
• Plum
After it ripens at room temperature,
store it in the refrigerator.
Store it in the refrigerator.

Don’t want to wait?

Do you have an avocado or some other climacteric fruit that you want to ripen faster?

Simply place your avocado in a paper bag with another ripe climacteric fruit, like a banana.

Climacteric fruits ripen after being picked, because they give off a gas called ethylene, which is a ripening hormone.

The riper the fruit, the more ethylene it produces. Enclosed with the banana in the bag, your avocado “breathes” the ethylene from the banana, which accelerates ripening and causes it to produce its own ethylene.

Once the climacteric fruit is at the preferred level of ripeness, take it out of the bag and store it in the refrigerator to slow down further ripening.


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