Data Views Total Plants: 2 CSV Excel PDF Total Activities: 37 Click on column headings to sort table by that column Plant Part All Rhizome Root Low PPM High PPM StdDev *Reference Glycyrrhiza glabra Root 400.0 4000.0 * Glycyrrhiza glabra Rhizome 1433.0 5700.0 * *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.