Data Views Total Plants: 361 CSV Excel PDF Total Activities: 176 , Previous1..10111213141516171819 Show all rows. Paginate rows. Click on column headings to sort table by that column Plant Part All Bark Bulb Flower Fruit Fruit Juice Hay Heart Wood Herb Inflorescence Juice Leaf Pericarp Plant Pollen Or Spore Resin, Exudate, Sap Rhizome Root Seed Shoot Sprout Seedling Stem Stem Bark Testa Tissue Culture Wood Pt Low PPM High PPM StdDev *Reference Zingiber officinale Plant -- -- Stitt, Paul. Why George should eat broccoli. *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.