Why you should never wash blueberries after buying them

Until not long ago, few were interested in knowing what is the most appropriate way to handle blueberries or other red fruits such as raspberries or currants. They were unusual foods in the Spanish diet, and those who consumed them often did not buy them fresh, with the exception of strawberries.

Today, things have changed. In the last decade these delicate and tasty reddish and purple fruits have experienced a real boom. Many national producers who have been growing them for years have seen their consumption grow and, therefore, their sales. In Asturias, for example, a lot of blueberries are planted; while in Andalusia, and especially in Huelva, they have gone from only growing strawberries to also working with raspberries, blackberries, and the aforementioned blue berries, among other varieties.

Red fruits are rich in antioxidants and vitamin C

There is so much availability of these local foods that consuming them is very simple, in addition to being recommended for health, since it has been observed that they have many benefits: their antioxidant content stands out, which help combat cell aging caused by free radicals; and, in addition, they have a large amount of vitamin C.

Its consumption has also been associated in several studies with a reduction in the risk of cardiovascular disease and with an increase in the birth rate of brain cells.


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Perhaps their only drawback is that, being so delicate, they can be easily damaged, so it is essential to know how to treat them, not only during cultivation and transport, but also at home. Therefore, it is important not to give them too much thought before storing them in our kitchens and, above all, not to wash them under the tap if we are not going to consume them at the moment.

Once this layer deteriorates, the fruits are more exposed to possible damage and spoil faster

Miguel Angel Luruenafood technologist

explains it to To eat the food technologist Miguel Ángel Lurueña, author of Don’t mess with food, who points out that red fruits, such as blueberries, have a whitish layer that serves as protection. “Plums and grapes also have it. It is a wax that they naturally produce on the skin and that, for example, exposes them less to light,” he clarifies. When we wash them, it disappears.

“Once this layer deteriorates, the fruits are more exposed to possible damage and spoil faster. Therefore, it is essential that they are handled with care,” he adds. This explains why it is not advisable to wash them with water when you get home. “We strip them of this protection, and they present more water and gases that damage them.”

fresh blueberries

The whitish coating on blueberries protects them from light

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The same thing happens with strawberries and strawberries, as the journalist Marijo Jordan explained in this article. “After washing them with water, it is important to drain them well or dry them immediately with absorbent paper, because the humidity harms them,” says Eric Ortuño, owner of the L’Atelier pastry shop in Barcelona; pointing out that if we are going to use them in a syrup or a vinegar, nothing happens if they get very wet.

When it comes to red fruits (blueberries, raspberries, strawberries, strawberries, cherries, strawberry trees, currants and blackberries), it is advisable to store them in the fridge once we have returned from shopping, preferably removing them from the container where they are sold and placing them in another airtight, without piling them up. This method will help them last longer, although there are those who prefer to leave them outside and not refrigerate them, because the cold could affect their flavor.

If we want the red fruits to last longer, it is advisable to store them in the fridge

When we are going to consume them, then it is time to wash them well and add them to our recipes. In this channel we have shared some examples, such as this panna cotta with blueberry coulis or this cottage cheese mousse with berries.

Although nutritionists already say it: the best way to eat fruit and take advantage of all its properties is to eat it whole, since that is when we prevent the free sugars from being released, and the fiber is better used.