Carnosic acid and carnosol potently inhibit human 5-lipoxygenase and suppress pro-inflammatory responses of stimulated human polymorphonuclear leukocytes. - Poeckel,D.; Greiner,C.; Verhoff,M.; Rau,O.; Tausch,L.; Hornig,C.; Steinhilber,D.; Schubert-Zsilavecz,M.; Werz,O. (Biochem Pharmacol, 2008)