Regarding the role of enzymes, everyone can Baidu. It is said to be very good.
Yangmei is washed and dried, and a layer of arbutin is packed into a clean glass container (such as a kimchi jar with water outside). It must be breathable and covered with white sugar.
It can be used in 4 weeks. It can be stored in the refrigerator after filtration. Add 3 spoons to a glass of water when drinking.