Data Views Total Plants: 3 CSV Excel PDF Click on column headings to sort table by that column Plant Part All Rhizome Essent. Oil Seed Seed Essent. Oil Low PPM High PPM StdDev *Reference Foeniculum vulgare Seed -- -- Jim Duke's personal files. Myristica fragrans Seed Essent. Oil -- -- * Alpinia galanga Rhizome Essent. Oil -- -- * *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.