Data Views Exclude Ubiquitous Chemicals Activities: 917 Chemicals w/Activities: 242 CSV Excel PDF All Chemicals: 411 Previous1..45678910111213 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Fruit Leaf Plant Resin, Exudate, Sap Root Seed Shoot Tissue Culture Low PPM High PPM StdDev *Reference 3 3 XYLOSE Root -- -- * 77 77 ZINC Root 2.0 79.0 2.4 * *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.