Data Views Exclude Ubiquitous Chemicals Activities: 270 Chemicals w/Activities: 18 All Chemicals: 23 CSV Excel PDF Previous12 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Fruit Seed Low PPM High PPM StdDev *Reference 2 2 ISOTERCHEBIN Fruit -- -- * 6 6 TARTARIC-ACID Fruit -- -- * 6 6 IRON Fruit -- 90.0 -0.17 * *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.