CERCOSPORA BETICOLA TOXINS .13. DETERMINATION OF O-2(-)CENTER-DOT SCAVENGING ACTIVITY OF BETICOLIN-1

摘要

The O-2(-). scavenging properties of beticolin-1, a fungal toxin, have been studied using peroxidase-mediated luminol chemiluminescence. A comparison between beticolin-1. vitamin E and tiron is reported: beticolin-1 displays an anti-radical effect without inhibiting peroxidase activity in a larger range of concentrations (1 x 10(-8)-1 x 10(-5) M) than vitamin E (3 x 10(-7)-1 x 10(-5) M) or tiron (5 x 10(-7)-4 x 10(-5) M). Maximal scavenging efficacy was higher for beticolin-1 and vitamin E than for tiron (88, 80 and 52%, respectively).