Relationship between structure and anti-oxidation of tocopherol with molecular orbit theory
Zhongguo yao li xue bao = Acta pharmacologica Sinica(1998)
摘要
AIM: To explore the relationship between different structures of tocopherol (Toc) and some phenol compounds and their anti-oxidative activities. METHODS: Use the ab initio calculation of molecular mechanics and quantum chemistry. RESULTS: The anti-oxidation of Toc was related to the ability to release active hydrogen, ie, related to the O-H electron populations, frontier orbital energy (au), and the decreased amount of energy at the reaction ending stage. The order of hydroxyl O-H electron populations in different Toe model molecules were α<γ≤β<δ, which was consistent with their anti-oxidation reported. CONCLUSION: The molecular orbit (MO) theory and the quantum chemical parameters can be used to analyze the anti-oxidation of phenol compounds with different structures.
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关键词
Antioxidants,Free radicals,Lipid peroxides,Molecular models,Structure-activity relationship,Vitamin E
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