Glycyrrhizic acid (GA) is a triterpene glycoside found in the roots of licorice plants (Glycyrrhiza glabra). GA is the most important active ingredient in the licorice root, and possesses a wide range of pharmacological and biological activities. GA coupled with glycyrrhetinic acid and 18-beta-glycyrrhetic acid was developed in China or Japan as an anti-inflammatory, antiviral, and antiallergic...

Herbs have been used as a form of traditional medicine since ancient times. Licorice is one the herbs that has long medicine. This plant contains different compounds, such glycyrrhizin, 18??glycyrrhetinic acid, glabrins A and B, isoflavones, showing various pharmacological activities. Pharmacological experiments shown extracts pure compounds this species exhibit broad biological properties, inc...