Question: what are the white spots in mandarin oranges?
Answer: The white frost on the surface is actually similar to the formation mechanism of fruit cream. Xinhui, the hometown of Chenpi, is also called the white frost as “brain Crystal (Nao Jing)” or “Citrus oil crystal (Gan You Jing)”. ...  1.Drop the whole mandarin orange Pu-erh in as-is: Break off Method: Poke a few holes around: