Data Views Exclude Ubiquitous Chemicals Activities: 350 Chemicals w/Activities: 29 All Chemicals: 43 CSV Excel PDF Previous123 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Leaf Plant Low PPM High PPM StdDev *Reference 0 TERPENENE Leaf -- -- * 31 31 THIAMIN Leaf 0.1 4.8 -0.73 * 0 WATER Leaf -- 854000.0 0.23 * *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.