Data Views Exclude Ubiquitous Chemicals Activities: 273 Chemicals w/Activities: 42 CSV Excel PDF All Chemicals: 77 Previous123 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Latex Exudate Leaf Plant Low PPM High PPM StdDev *Reference 7 7 (+)-GALLOCATECHIN Plant -- -- * 30 30 (+)-CATECHIN 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.