Data Views Total Plants: 4 CSV Excel PDF Total Activities: 2 Click on column headings to sort table by that column Plant Part All Essential Oil Seed Essent. Oil Shoot Low PPM High PPM StdDev *Reference Apium graveolens Shoot -- -- * Boswellia serrata Essential Oil -- 35000.0 * Daucus carota Shoot -- 746.0 * Elettaria cardamomum Seed Essent. Oil -- 382000.0 * *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.