autoxidation


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autoxidation

(ɔːˌtɒksɪˈdeɪʃən)
n
(Chemistry) chem
a. oxidation by exposure to atmospheric oxygen
b. oxidation that will only occur when another oxidation reaction is taking place in the same system

au•tox•i•da•tion

(ɔˌtɒk sɪˈdeɪ ʃən)

n.
the oxidation of a compound by exposure to air.
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References in periodicals archive ?
Heavy metals such as Chromium can cause toxicity in all organisms including plant in which they induce the formation of reactive oxygen species mostly by autoxidation and Fenton reaction which requires divalent metals ion and a source of reducing agent to regenerate the metal [2].
The rate of inhibition of pyrogallol autoxidation brought about by SOD is used for determination of the enzyme.
Observations on the rate of autoxidation of d-limonene.
Stanley, "A suggested mechanism for the production of malonaldehyde during the autoxidation of polyunsaturated fatty acids.
Superoxide anion (SOD) scavenging activity assay: superoxide dismutase activity was measured based on its ability to inhibit the autoxidation of epinephrine to adrenochrome at alkaline pH (Misra and Fridovich 1972).
The SOD activity was calculated from percentage inhibition of the rate of autoxidation of hematoxylin.
The activity of phenolics and other bioactive compounds in inhibiting autoxidation in various food and biological systems as well as radical scavenging has been attributed to their redox properties, which allow them to act as reducing agents, hydrogen donors, and singlet oxygen quenchers [8].
8) Within the ETC, superoxide radicals can also be generated by electrons leaking from the autoxidation reactions and associated with an oxygen molecule.
In diabetic patients, the persistence of hyperglycemia has been reported as a cause of increased production of oxygen-free radicals through glucose autoxidation and non-enzymatic glycation.
The mechanism of crosslinking with autoxidation has been studied in detail using Fourier transform infrared spectroscopy (FTIR) and other spectroscopic techniques.
The autoxidation of catechin, a polyphenolic antioxidant plant secondary metabolite, is caused by ferrous iron.