Data Views Total Plants: 41 CSV Excel PDF Total Activities: 26 , Previous123 Show all rows. Paginate rows. Click on column headings to sort table by that column Plant Part All Bark Bud Essential Oil Flower Flower Essent. Oil Fruit Fruit Essent. Oil Fruit Juice Leaf Leaf Essent. Oil Plant Rhizome Root Root Bark Root Essent. Oil Seed Shoot Wood Low PPM High PPM StdDev *Reference Vanilla planifolia Fruit -- 28.0 1.0 * *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.