Pu-erh tea

„The piling, wetting, and mixing of the piled máochá ensures even fermentation. The bacterial and fungal cultures found in the fermenting piles were found to vary widely from factory to factory throughout Yunnan, consisting of multiple strains of Aspergillus spp., Penicillium spp., yeasts, and a wide range of other microflora. Control over the multiple variables in the ripening process, particularly humidity and the growth of Aspergillus spp., is key in producing ripened pu'er of high quality.“

„bing; 饼 - cake. Something shaped like a cake. 茶饼; cha bing - tea cake. This is a cake of tea that has been pressed by hand or machine into a compact form. Easy for transporting and storage. The more tightly pressed it is, the slower the tea will age. They can range in size from 100 gms to several kilograms.“