Data Views Exclude Ubiquitous Chemicals Activities: 309 Chemicals w/Activities: 23 CSV Excel PDF All Chemicals: 36 Previous12 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Leaf Plant Low PPM High PPM StdDev *Reference 112 112 ASCORBIC-ACID Leaf 1130.0 5566.0 0.07 * 5 5 ALUMINUM Leaf 126.0 620.0 -0.12 * 24 24 ALOE-EMODIN Plant -- -- Tramil *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.