Data Views Exclude Ubiquitous Chemicals Activities: 287 Chemicals w/Activities: 22 CSV Excel PDF All Chemicals: 30 Previous12 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Fruit Low PPM High PPM StdDev *Reference 53 53 BETA-CAROTENE Fruit -- 2.5 -0.15 * 112 112 ASCORBIC-ACID Fruit 130.0 6750.0 0.14 * *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.