1, soaked in salt water
When many people buy blueberries, they are worried about pesticide residues on their surfaces. If they want to clean them, they must soak them in light salt water. Before soaking, they should put edible salt in a basin and add appropriate amount of water to mix them evenly, melt the edible salt, and then soak the bought blueberries in salt water. During the soaking process, they can be stirred clockwise several times by hand./kloc-Take out the blueberries after 0/5 minutes, and then rinse them with water.
2. Drop detergent
Blueberries can also be washed with detergent at ordinary times, but the amount of detergent should not be too much. Just add 1 2 drops at a time, add enough water to dilute, and then put blueberries in water and stir them by hand, so that all the dirt on the surface of blueberries can be washed off. After washing, rinse off the foam on the surface of blueberries with water.
Selection method of blueberry
1, many merchants will use wild jujube as blueberries, and you can wipe the peel with a paper towel. If there is color on the paper, it means that wild jujube or cherry is dyed as a fake.
2, high-quality blueberry skin is blue and purple, with hoarfrost; If the color is red, the blueberry is not ripe; The frost on the epidermis is not obvious or there is no frost, which means that it has not been fresh for a long time.
3, like many fruits, fresh blueberries, the fruit should be compact and round, and it looks dry, full and smooth; If the uneven size and rough epidermis indicate dysplasia, don't buy it.
4. Good blueberries are fragrant, taste sweet and sour, and have no stone; If the fragrance is light and tastes sour, it means it is not yet mature; If there is a stone that is fake, don't buy it.