Is the white bloom on the surface of grapes and other fruits pesticide residue?

When we go to the supermarket to buy fruit, we often see a layer ofwhite bloomon the surface of the fruit, most commonly ongrapes, Shine Muscat grapes, plums, persimmons, blueberriesand so on. It is not only these fruits that may have this surfacewhite bloom; many berry-type fruits have it. Why is that? Could it really be thepesticide residuethat netizens talk about?

Grapes

Some netizens are very interested in this "white film" on the outer layer of berries; for example, this white powder can often be seen on the surface of grapes. Some netizens believe it is pesticide or harmful substances that have not been washed off cleanly, but that is not the case. This "white film" can be seen on the outer layer of many berries, and its true identity isfruit bloom。

Blueberries

Fruit bloomis formed naturally. Takegrapes, blueberries, cranberriesand others as examples: the more fruit bloom on the outer layer, the better their quality. This layer of fruit bloom is not easy to wash off, and there is no need to wash it off. For the human body, fruit bloom contains rich nutrients and polyphenol substances, and can also inhibit the production of oral bacteria. It is a very good thing.

Plums

When eating fruit, there is no need to deliberately wash off this layer of white film; in fact, it is beneficial. If friends are really worried about pesticide residue, they should pay attention when buying: it is best not to buy out-of-season vegetables and fruits, because pesticide residue in greenhouses is indeed slightly higher than in emergency vegetables and fruits. In addition, they can soak them in lightly salted water for a longer period of time, which will better remove pesticides. If the fruit can be peeled, it can also be peeled, although the peel contains rich dietary fiber, vitamins and flavonoids, these substances are equally rich in the flesh. Generally, qualified fruit will meet the standards in pesticide residue testing, so there is no need to worry too much about pesticide residue.

Persimmons