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Abstract

The antiradical and antioxidant activities of four biologically active N,N-diethyloaminoethyl ethers of flavanone oximes (N,N-DEAEFo) were investigated in vitro and compared with these of polyphenolic flavonoid (rutin). Four experimental models were used: iron- and ascorbate driven Fenton systems, γ-radiolysis, xanthine/xanthine oxidase system and diphenylpicrylhydrazyl (DPPH) radical scavenging. The results clearly indicate that N,N-DEAEFo are acting as promising antioxidants and radioprotectors comparable to rutin activities: they should prove to be useful under acute oxidative stress conditions for which both properties were required.