Spiral Foods Kukicha Tea Bags, sometimes known as bancha, is a Japanese green tea made from the stems and branches that are separated in the refining process of sencha (green tea). They are then roasted in cast iron cauldrons to reduce the bitterness and decrease tannin and the roasting aroma and mild flavour are its main characteristics. Japanese folklore says it aids digestion and helps neutralise an acidic digestive system. Spiral Foods Kukicha has been the most popular kind of tea because it has less caffeine and can be enjoyed by all tea drinkers