... a natural green sweetener, which is extracted from stevia leaves( herbaceous herb of the composite family) High SweetnessSweetness is 250- ... and Rebaudiana-A are main composition of stevia ,which taste cool, refreshing, and soft. Stevia is stable to Acid, Alkali, hot , light ... and protrat the the expiry of quality guaranteed. In addition , stevia can make nearly a 60% reduction in the cost o ...