Effect of monoterpenes on lipid oxidation in maize.
The monoterpenes 1,8-cineole, thymol, geraniol, menthol and camphor strongly inhibited the root growth of Zea mays L. seedlings. They induced an oxidative stress as measured by the production of malondialdehyde, conjugated dienes and peroxides. This oxidative stress depended on the length of the exposure and on the monoterpene applied. The total fatty acid content was measured and fatty acid composition was analyzed. Unsaturated fatty acids increased in the treated samples. The alcoholic and non-alcoholic monoterpenes appeared to have different modes of action.
Instituto Multidisciplinario de Biología Vegetal, Cátedra de Química Orgánica, Facultad de Ciencias Exactas Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1600, 5016 Córdoba, Argentina. pauzun@gtwing.efn.uncor.edu
María P
MP
Zunino
Julio A
JA
Zygadlo
D000080462:Acyclic Monoterpenes; D002164:Camphor / Q000494:pharmacology; D003511:Cyclohexanols / Q000494:pharmacology; D000077591:Eucalyptol; D005227:Fatty Acids / Q000032:analysis / Q000378:metabolism; D015227:Lipid Peroxidation / Q000187:drug effects; D008610:Menthol / Q000494:pharmacology; D039821:Monoterpenes / Q000494:pharmacology; D010084:Oxidation-Reduction; D018384:Oxidative Stress; D018517:Plant Roots / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D013729:Terpenes / Q000494:pharmacology; D013943:Thymol / Q000494:pharmacology; D003313:Zea mays / Q000187:drug effects / Q000378:metabolism*
D000080462:Acyclic Monoterpenes; D003511:Cyclohexanols; D005227:Fatty Acids; D039821:Monoterpenes; D013729:Terpenes; D008610:Menthol; D013943:Thymol; D002164:Camphor; C007836:geraniol; D000077591:Eucalyptol