As the name implies, kukicha (stem tea or twig tea) is mainly made from the stem portion of tea. It is a well-known fact that tea leaves contain caffeine. So what about the stem?   1. The stem cont...

The tea leaf, just like most of plant leaves, is made of blade and stem.   Both the blade and stem are processed to make refined tea, but through the refining process, they are usually separated. T...