what is stevia rebau
Steviol, the basic building block of stevia's sweet glycosides. Stevia (/ËstiËviÉ/, /ËstiËvjÉ/ or /ËstÉviÉ/) is a sweetener and sugar substitute extracted from the leaves of the plant species Stevia rebaudiana. The active compounds of stevia are steviol glycosides (mainly stevioside and rebaudioside), which have up to 150 times the sweetness of sugar, are heat-stable, pH-stable, and not fermentable.