Data Views Total Plants: 3 CSV Excel PDF Click on column headings to sort table by that column Plant Part All Leaf Essent. Oil Root Essent. Oil Stem Essent. Oil Low PPM High PPM StdDev *Reference Panax ginseng Root Essent. Oil -- 43000.0 * Panax ginseng Stem Essent. Oil -- 20000.0 * Panax ginseng Leaf Essent. Oil -- 20000.0 * *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.