chapter 1 Overview / chapter 2 Botany of Stevia and Stevia rebaudiana / chapter 3 Ethnobotany of Stevia and Stevia rebaudiana / chapter 4 Sweet and non-sweet constituents of Stevia rebaudiana / chapter 5 The phytochemistry of Stevia: a general survey / chapter 6 Synthetic investigations on steviol, stevioside, and rebaudioside A, and their applications as starting materials / chapter 7 Methods to improve the taste of the sweet principles of Stevia rebaudiana / chapter 8 Pharmacology and toxicology of stevioside, rebaudioside A, and steviol / chapter 9 Use of Stevia rebaudiana sweeteners in Japan / chapter 10 Use of stevioside and cultivation of Stevia rebaudiana in Korea