Data Views Exclude Ubiquitous Chemicals Activities: 680 Chemicals w/Activities: 207 All Chemicals: 322 CSV Excel PDF Previous1..891011121314151617 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Essential Oil Flower Flower Essent. Oil Fruit Leaf Plant Root Seed Seed Essent. Oil Seed Oil Shoot Low PPM High PPM StdDev *Reference 77 77 ZINC Fruit 47.0 61.0 0.92 * 77 77 ZINC Seed 47.0 66.0 0.59 * *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.