superoxide dismutase
| Noun | 1. | superoxide dismutase - an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen; "oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes" |
| 单词 | superoxide dismutase | |||
| 释义 | superoxide dismutase
superoxide dismutasesuperoxide dismutase[¦sü·pər‚äk‚sīd ′diz·myü‚tās]superoxide dismutasesu·per·ox·ide dis·mu·tase (SOD),superoxide dismutaseChemistryAn enzyme present in all aerobic organisms which catalyses the reaction O2•– + O2•– + 2H+ = H2O2 + O2. Superoxide dismutase serves to protect the organism against the havoc caused by oxygen free radicals. Fringe medicine Concentrates of superoxide dismutase have been marketed for their claimed ability to reduce ageing and degeneration of tissue, and as a therapy for cataracts, arthritis and other age-related phenomena. su·per·ox·ide dis·mu·tase(sū'pĕr-oks'īd dis'myū-tās)superoxide dismutaseA natural body enzyme that converts the superoxide free radical to hydrogen peroxide, which is then catalyzed to water. The gene for superoxide dismutase is on the long arm of chromosome 21 near the Alzheimer's locus. Brain tissue is highly susceptible to free radical damage. People with Alzheimer's disease have reduced levels of superoxide dismutase.superoxide dismutase
Synonyms for superoxide dismutase
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