Data Views Exclude Ubiquitous Chemicals Activities: 250 Chemicals w/Activities: 15 All Chemicals: 24 CSV Excel PDF Previous12 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Flower Leaf Plant Root Stem Low PPM High PPM StdDev *Reference 7 7 VERBENALIN Plant -- 3000.0 * 7 7 VERBENALIN Flower -- 5000.0 * 0 VERBENALOL Plant -- -- * 3 3 VERBENIN Plant -- -- * *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.