... only 1/300 of the cane sugar 1. GreenStevia is a natural green sweetener, which is extracted from stevia leaves( herbaceous herb ... 250-300 times more than cane sugar. Stevioside and Rebaudiana-A are main composition of stevia ,which taste cool, refreshing, and ... expiry of quality guaranteed. In addition , stevia can make nearly a 60% reduction in the cost o production , expenses of transportation ...