Premium
Catecholoximes as powerful antioxidants for highly unsaturated lipids
Author(s) -
Ley Jakob P.,
Bertram HeinzJürgen
Publication year - 2002
Publication title -
european journal of lipid science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.614
H-Index - 94
eISSN - 1438-9312
pISSN - 1438-7697
DOI - 10.1002/1438-9312(200206)104:6<319::aid-ejlt319>3.0.co;2-y
Subject(s) - autoxidation , chemistry , chemiluminescence , antioxidant , evening primrose , squalene , scavenger , luminol , superoxide radical , organic chemistry , quenching (fluorescence) , evening primrose oil , superoxide , vegetable oil , food science , biochemistry , fluorescence , superoxide dismutase , physics , enzyme , quantum mechanics
Several oximes and oximeethers of hydroxylated benzaldehydes and acetophenones were investigated for their antioxidative potential and compared with further standards. Radical scavenging activity was determined using a photometric assay based on the colored radical 2, 2‐diphenyl‐1‐picrylhydrazyl and a superoxide anion quenching assay using luminol amplified chemiluminescence. The activity against lipid autoxidation was measured by accelerated autoxidation of soybean oil, evening primrose oil, and squalene. All tested catecholoximes show good to excellent antioxidative properties. 3, 4‐Dihydroxybenzaldoxime shows the best overall performance and is a very powerful radical scavenger and lipid antioxidant.