Quercetin, a member of the flavonoids family, is one of the most prominent dietary antioxidants.
It is ubiquitously present in foods including vegetables, fruit, tea and wine as well as …

Reactive oxygen species are regarded as merely pernicious. This is incorrect for they play a
pivotal role in many physiologic reactions, such as cytochrome P450-mediated oxidations, …

1. Lipoic acid is an example of an existing drug whose therapeutic effect has been related to
its antioxidant activity. 2. 2. Antioxidant activity is a relative concept: it depends on the kind …

The TEAC (Trolox equivalent antioxidant capacity) assay is based on scavenging of 2,2′-azinobis-(3-
ethylbenzothiazoline-6-sulfonate) radical anions (ABTS − ). In this report we …

Flavonoids are potent antioxidants. It is also known that flavonoids bind to proteins. The
effect of the interaction between tea flavonoids and proteins on the antioxidant capacity was …

The peroxynitrite scavenging activity of a series of structurally related flavonoids was tested.
It was found that flavonoids are excellent scavengers of peroxynitrite. Compared to the …

Flavonoids are a group of naturally occurring compounds used, eg, in the treatment of vascular
endothelial damage. They are known to be excellent scavengers of oxygen free radicals. …

Phloretin is a dihydrochalcone flavonoid that displays a potent antioxidant activity in peroxynitrite
scavenging and the inhibition of lipid peroxidation. Comparison with structurally related …

The Trolox Equivalent Antioxidant Capacity (TEAC) assay is based on the scavenging of the
2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical (ABTS • ) converting …

The earliest work on oxidation of a biologically important protein was on the effects of selected
radicals generated by radiolysis on the enzyme, lysozyme (Adams et al., 1969). Both the …