Data Views Exclude Ubiquitous Chemicals Activities: 111 Chemicals w/Activities: 7 All Chemicals: 22 CSV Excel PDF Show All Paginate Previous12 Click on column headings to sort the list on the column # Activity Chemical Part All parts ... Leaf Plant Low PPM High PPM StdDev *Reference 0 SUGAR Plant -- -- * 35 35 TANNIN 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.