what is tea powder
The Story of Matcha. Matcha is a traditional Japanese green tea powder produced by stone-milling a shade-grown green tea called tencha into a fine powder. The quality of matcha greatly depends on the tea bush cultivar, shading technique and picking standard used to produce tencha.he Story of Matcha. Matcha is a traditional Japanese green tea powder produced by stone-milling a shade-grown green tea called tencha into a fine powder. The quality of matcha greatly depends on the tea bush cultivar, shading technique and picking standard used to produce tencha.