Data Views Total Plants: 2 CSV Excel PDF Total Activities: 11 Click on column headings to sort table by that column Plant Part All Fruit Seed Low PPM High PPM StdDev *Reference Serenoa repens Fruit -- 16.0 * Linum usitatissimum 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.