Method 1
Add a tablespoon of raw flour to the water, and put the prunes into the water to wash, you can see the dirt is cleaned out, and then put it into the water to rinse it.
Method 2
After washing the prunes, put them into a high concentration of salt water to soak for about half an hour, and then rinse them with water for a few times.
Method 3
Put the prunes into a basin full of water and stir them in one direction with chopsticks, then put them into lye water or fruit and vegetable detergent for a dip, fish them out and rinse them off.
In addition there are other methods than? Such as fruit and vegetable detergent: fruit and vegetable detergent also has the role of sterilization and neutralization of pesticides, but since it is a detergent, there is no guarantee of complete non-toxicity and harmlessness, where in the use of detergents later, to use water to rinse, the so-called rinse is to use tap water? Rinse. Another example is the lye soaking method: starch solution, baking soda solution can be cleaned prunes, if neither, you can use flour solution, the same reason. After soaking for a few minutes, stir it with your hands and use centrifugal force to separate the dirt from the wash down. Then just rinse with water.