The most common type of tea produced in Kakegawa, Shizuoka Prefecture is deep steamed sencha. Tea leaves that have been exposed to plenty of sunlight are thick and contain abundant catechins, and when deeply steamed, they become tea with a rich, sweet, and deep flavor.In addition, this tea loosens tissues and allows you to ingest more catechins, as well as ingredients such as dietary fiber and minerals that are difficult to dissolve in hot water or water.