Data Views Exclude Ubiquitous Chemicals Activities: 40 Chemicals w/Activities: 1 CSV Excel PDF All Chemicals: 4 Click on column headings to sort table by that column # Activity Chemical Part All Plant Low PPM High PPM StdDev *Reference 42 42 PLUMBAGIN Plant -- 2050.0 KREHER, NESZMELYI, POLOS & WAGNER 1988 *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.