Data Views Exclude Ubiquitous Chemicals Activities: 613 Chemicals w/Activities: 82 CSV Excel PDF All Chemicals: 137 Previous12345 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Epidermis Fruit Pericarp Plant Seed Low PPM High PPM StdDev *Reference 16 16 VANADIUM Fruit 0.225 0.555 -0.76 * 77 77 ZINC Fruit 0.15 26.6 -0.11 * *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.