Data Views Exclude Ubiquitous Chemicals Activities: 164 Chemicals w/Activities: 28 All Chemicals: 42 CSV Excel PDF Previous123 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Bark Fruit Leaf Plant Resin, Exudate, Sap Seed Low PPM High PPM StdDev *Reference 35 35 TANNIN Resin, Exudate, Sap 116000.0 187000.0 -0.75 * 47 47 BETA-SITOSTEROL Seed -- -- * *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.