The Stevia rebaudiana is commonly known as sweet leaf, sugar leaf, or simply Stevia. This is widely grown for its sweet leaves. Stevia and Sunflower belong to asteraceae family. The sweet herb Stevia is becoming a major source of natural sweetener as an alternate of sugar. It is rapidly replacing the chemical sweetener like Splenda, Saccharine and Aspartame.The plant is native to tropical and subtropical regions of North America and South America. There are near about 240 species of Stevia Genus. It is grown widely in countries like Brazil, Colombia, Paraguay and Venezuela. In Venezuela it is being used over 1500 years.
Stevia leaves are 30 times sweeter than normal sugar. The extract of stevia Rebaudioside-A is around 300-400 times sweeter than normal sugar. The sweetness of stevia also felt for long time.