K
Keith U. Ingold
Researcher at National Research Council
Publications - 295
Citations - 21991
Keith U. Ingold is an academic researcher from National Research Council. The author has contributed to research in topics: Radical & Vitamin E. The author has an hindex of 68, co-authored 294 publications receiving 21155 citations. Previous affiliations of Keith U. Ingold include National Institute for Nanotechnology & University of Florida.
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Beta-carotene: an unusual type of lipid antioxidant
G. W. Burton,Keith U. Ingold +1 more
TL;DR: New experiments in vitro show that beta-carotene belongs to a previously unknown class of biological antioxidants, and exhibits good radical-trapping antioxidant behavior only at partial pressures of oxygen significantly less than 150 torr, the pressure of oxygen in normal air.
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Vitamin E: application of the principles of physical organic chemistry to the exploration of its structure and function
G. W. Burton,Keith U. Ingold +1 more
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The relative contributions of vitamin E, urate, ascorbate and proteins to the total peroxyl radical-trapping antioxidant activity of human blood plasma.
TL;DR: The changes in concentrations of the plasma antioxidants during peroxyl radical attack show that the first line of defense is provided by the plasma sulfhydryl groups, even urate being spared during the initial stages of the reaction.
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Is vitamin E the only lipid-soluble, chain-breaking antioxidant in human blood plasma and erythrocyte membranes?
TL;DR: It is concluded that vitamin E, which is largely present as alpha-tocopherol, is the only significant lipid-soluble, chain-breaking type of antioxidant present in human blood.
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Autoxidation of biological molecules. 4. Maximizing the antioxidant activity of phenols
Graham W. Burton,Takahisa Doba,Eric J. Gabe,L. Hughes,Florence L. Lee,L. Prasad,Keith U. Ingold +6 more
TL;DR: On mesure les constantes de vitesse de l'elimination of l'hydrogene atomique par les radicaux peroxyles de lα-tocopherol and de 35 phenols structuralement apparentes.