The enzyme, xanthine oxidase, has been implicated as a major source of destructive free radicals in ischemia-reperfusion injury associated with a range of pathological states [l]. Enzymic activity has been detected in many mammalian tissues [4] by using, variously, spectrophotometric [51, radiometric[6] and fluorimetric [71 assays. Apart from bovine milk fat globule membrane, which has long pro...

6 Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of 7 Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania; Veterinary 8 Mycology, Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, 9 University of Liège, Liège, Belgium; Dermatology and Venereology Department, Laboratory of 10 Mycology, Centr...