GLYCYRRHIZIC ACID METABOLITE AND 3ALPHA-HYDROXYSTEROID DEHYDROGENASE INHIBITOR COMPRISING SAME METABOLITE AS ACTIVE INGREDIENT

摘要

NEW MATERIAL:22alpha-Hydroxy-3-oxo-glycyrrhizic acid shown by the formula. USE:3alpha-Hydroxysteroid dehydrogenase inhibitor useful as an antiinflammatory drug. PREPARATION:Licorice root of crude drug or root of Glycyrrhizae Radix, a raw plant thereof or a plant of the same genus is extracted and subjected to operation such as column chromatography.