Detailed studies in the past two decades have shown that redox active metals like iron (Fe),
copper (Cu), chromium (Cr), cobalt (Co) and other metals undergo redox cycling reactions …

Flavonoids are plant pigments that are synthesised from phenylalanine, generally display
marvelous colors known from flower petals, mostly emit brilliant fluorescence when they are …

In this review, primary attention is given to the antioxidant (and prooxidant) activity of
polyphenols arising from their interactions with iron both in vitro and in vivo. In addition, an …

Alzheimer's disease (AD) is the most common progressive human neurodegenerative
disorder affecting elderly population worldwide. Hence, prevention of AD has been a priority …

Polyphenols are aromatic substances with one or more hydroxyl groups together with other
substituents attached to aromatic rings. Polyphenols can be found in regular foods and …

The bioactivities, dietary sources, bioavailability, metabolism, and epidemiology of 3
flavonoids, quercetin, hesperetin, and naringenin, are reviewed. The use of their plasma …

Quercetin is a naturally-occurring flavonol (a member of the flavonoid family of compounds)
that has a long history of consumption as part of the normal human diet. Because a number …

Certain dietary antioxidants such as vitamin E and vitamin C are important for maintaining
optimum health. There is now much interest in polyphenolic products of the plant …

Oxidative degradation of lipids, especially that induced by reactive oxygen species (ROS),
leads to quality deterioration of foods and cosmetics and could have harmful effects on …

Flavonoids are widely occurring polyphenol compounds of plant origin with multiple
biological and chemical activities. Due to the presence of carbonyl and hydroxyl groups they …