(c) Roel van Bakkum & Iris Hesse

Some fruits and vegetables should not be stored next to each other because they influence each other’s ripening process. What causes the fast ripening? Who influences whom? Which fruits and veggies are bad neighbours? Find it out in this week’s blogpost. If you store your products advisedly, they will last longer. Subsequently you won’t have to discard food because it went bad faster than you expected. Read, think, and fight food waste:

What causes the fast ripening? – Ethylene

Ethylene is a naturally occurring gas which is odourless, and colourless. Some fruit produce this gas during their ripening process, therefore it is also called a ripening hormone. Its main effect is the softening of fruits and vegetables. Ethylene makes your bananas sweet and your peaches smell deliciously. On the other hand it can cause plants to die. This is due to the fact that ethylene decreases the plant’s chlorophyll. What effect occurs is depending on the condition and characteristics of the plant. In short: For some organism the gas might be harmful, for others beneficial. Its advantage of stimulating the ripening process is commercially used. Tomatoes, pears, and bananas are usually harvested before they are ripe. Under controlled temperature conditions, certain humidity levels and ethylene they can be ripened. This means that they ripe in the same pace which results in an uniform appearance.

Which fruits and veggies produce large quantities of ethylene?

If you keep those fruits close to other fruits and veggies, they will ripen faster. You can use that knowledge if you want to stimulate the ripening process of unripe fruits. Keep in mind: Storing fruits and veggies that produce high quantities of ethylene in the fridge before they are ripe might lead to a loss of taste. Be especially careful with avocados, bananas, and tomatoes. They won’t develop their full taste under cool fridge conditions. That would be a shame!

Which fruits and veggies produce small quantities of ethylene?

You can store these fruits and vegetables close to each other. They won’t influence each other’s ripening process because they do not produce a lot of the ripening hormone.

Bad Neighbours are fruits and:


Be aware of what type of fruit causes others to ripen quicker. Also take a look on our article about how to keep fruits and veggies longer. Last remark on food storage: Separate potatoes and onions! Potatoes sprout quicker if onions are kept close. However, feel free to put apples and potatoes next to each other. Apples slow down the sprouting of potatoes. If you keep this in mind, you will be delighted by their long life and enjoy perfectly edible fruits and veggies for a long time. Tell your family and friends! Help us to spread awareness about unnecessary food waste.

For more detailed information on the fruit ripening gas ethylene click here.

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