Data Views Exclude Ubiquitous Chemicals Activities: 26 Chemicals w/Activities: 1 CSV Excel PDF All Chemicals: 3 Show All Paginate Click on column headings to sort the list on the column # Activity Chemical Part All parts ... Leaf Low PPM High PPM StdDev *Reference 27 27 COCAINE Leaf 4.0 5.0 -0.34 Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705. *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.