This document discusses glycosides, their properties, isolation methods, and two specific examples - glycyrrhetinic acid and rutin. Glycosides are organic compounds found in plants and animals that contain a sugar and non-sugar component. They are isolated using extraction and fractional crystallization/chromatography. Glycyrrhetinic acid is obtained from licorice and used to treat arthritis and inflammation. Rutin is extracted from buckwheat and citrus fruits and used as an antioxidant to treat capillary fragility. Both compounds are characterized using chemical tests and analyzed by TLC.