Data Views Exclude Ubiquitous Chemicals Activities: 10 Chemicals w/Activities: 8 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 Plant Root Low PPM High PPM StdDev *Reference 0 WILFODEINE Root -- -- * 0 NEOTRIPTOPHENOLIDE Plant -- -- * 0 TRIPTOPHENOLIDE-METHYL-ETHER Plant -- -- * 2 2 CELASTROL 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.