Introduction / Agronomic practices / Biosynthesis of steviol glycosides in Stevia rebaudiana Bertoni and their scope in metabolic engineering / Chemical and enzymatic modifications of steviol glycosides / Analysis / Conventional extraction techniques / Membrane technologies for the extraction and purification of steviol glycosides / Emerging extraction technologies of steviol glycosides from Stevia rebaudiana Bertoni / Stability in food matrices / Treating diseases associated with metabolic