3 beta-D-monoglucuronyl-18 beta-glycyrrhetinic acid (GAMG)glycyrrhizin (GL)adsorption separationmacroporous resindirectional bio-transformationMACROPOROUS RESINSMEDICINAL-PLANTSMONOGLUCURONIDEFLAVONOIDSEXTRACTIONtext>3 -D-monoglucuronyl-18 beta-glycyrrhetinic acid (GAMG) can be obtained on a large scale by ...