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Have seen white stains Is it on the surface of the grape? What is it dangerous and do we have to wash it off completely Let's see the answer from Ajarn Jedsada Denduangboriphan. Faculty of Biology Faculty of Science Chulalongkorn University at the same time
What is the white stain on the grape skin? Is it dangerous?
White clay on grapes It is a natural wax. It is not a dangerous chemical residue on the grape skin like any pesticides, especially that it is recommended to wash with that toothpaste. It is unnecessary
Many natural fruits have a soft, white stain on the surface of the fruit. Which in fact Is a type of wax coating To prevent water loss And after harvesting, the "clay" of the fruit will gradually disappear, causing the fruit to wilt faster.
The wax that protects the grapes on the outside. It is beneficial to give the grape skin a resilient appearance, stretching according to the natural polymer structure.
How to wash grapes thoroughly
White stains on grapes are edible without scrubbing. Just try to get rid of the chemical residue. That may be left By rinsing thoroughly with running water a lot. Or to soak in water and baking soda first Then come and rinse thoroughly
Grapes
Grapes are one fruit that is considered very healthy. When eaten, it will have both dietary fiber, various vitamins and antioxidants such as resveratrol. Phenolic and flavonoids In purple grapes Also contains anthocyanin pigment That is beneficial to health as well.