engleski

Radiation-induced hydroperoxidation of oleic acid on silica gel

Radiation-induced hydroperoxidation of oleic acid in bulk liquid, in multiple liquid layers on glass and in silica gel coated with Ol proceed by a chain mechanism. Two propagation steps in the formation of OlOOH could be identified in bulk liquid, as well as in adsorbed layers: reaction with oxygen and chain transfer reaction. Consequently, radiation chemical yields of hydroperoxidation, G (OlOOH), are influenced by both, the availability of oxygen and by the presence of chain-breaking antioxidants. Besides scavenging precursors to OlOOH, alpha-tocopherol also reacts with OlOOH formed in monolayers by irradiation. Adsorbed layers of oleic acid behave as two-dimensional liquids.

lipid-membranes ; linoleic-acid ; autoxidation ; antioxidant ; liposomes

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