Data Views Exclude Ubiquitous Chemicals Activities: 541 CSV Excel PDF Chemicals w/Activities: 59 All Chemicals: 79 Previous1..19202122232425262728 Show all rows. Paginate rows. Click on column headings to sort table by that column # Chemicals Activity *Reference 3 3 Xanthine-Oxidase-Inhibitor Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). *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.