Data Views Exclude Ubiquitous Chemicals Activities: 615 Chemicals w/Activities: 61 All Chemicals: 103 CSV Excel PDF Previous123456 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Fruit Leaf Plant Shoot Low PPM High PPM StdDev *Reference 89 89 URSOLIC-ACID Fruit -- -- * 112 112 ASCORBIC-ACID Fruit 144.0 1200.0 -0.21 * 176 176 QUERCETIN Fruit 100.0 250.0 0.55 * *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.