Abstract

PHYTOCHEMISTRYAND ISOLATION OF GLYCOSIDES: AN OVERVIEW

Jeenu Joseph*, Girisa Chandran

ABSTRACT

A glycoside is an organic compound, usually of plant origin, and comprising a sugar portion linked to a non-sugar moiety in a particular manner. The molecule from which the non-sugar moiety of a glycoside is derived is called the aglycones or genin. The linkage between the sugar and the aglycones is a hemiacetal linkage formed by the reducing group (usually aldehydes or keto group) of the sugar and an alcoholic or phenolic hydroxyl group of the aglycon. Glycosides are important class of secondary metabolite which exhibits numerous important pharmacological actions. This review includes the classification and general methods of isolation of glycosides.

Keywords: Glycosides, genin, secondary metabolites, classification, isolation.