Supported by the National Science Foundation of China(21276024,21276025);National High-Tech Research and Development Program of China("863"Program)(2012AA02A704)
PeniciUium purpurogenum Li-3, a fungus producing β-glucuronidase (PGUS), can con- vert glycyrrhizin (GL) to glycyrrhetinic acid monoglucuronide (GAMG) when grown in medium with GL as the sole carbon source. In ...