Chlorophylls and carotenoids are natural pigments that are present in our daily diet,
especially with the increasing tendency towards more natural and healthy behaviors among …

The carotenoid group of pigments are ubiquitous in nature and more than 600 different
carotenoids have been identified and characterized [1]. They are responsible for …

Carotenoid pigments, including hydrocarbons such as β-carotene or xanthophylls such as
lutein and zeaxanthin, are very widely distributed in nature, where they play an important …

In recent years numerous reviews have discussed in detail the antioxidant action of
carotenoids [1–5]. The existence of an antioxidant effect has been questioned by some …

Carotenoids constitute a ubiquitous group of isoprenoid pigments. They are very efficient
physical quenchers of singlet oxygen and scavengers of other reactive oxygen species …

Publisher Summary This chapter discusses the antioxidant effects of carotenoids in vivo and
in vitro state. It describes their role as biological antioxidants in radical-initiated processes …

Carotenoids are found abundantly in nature in different foods and play various roles in
biological, chemical, and physiological processes of life. They exhibit health effects by …

The traditional view that carotenoids are a class of plant pigments does not do justice to their
versatility. This versatility will become clear from the overview of the biological roles of …

Carotenoids are a class of natural pigments familiar to all through the orange–red to yellow
colors of many fruits, vegetables, and flowers, as well as for the provitamin A activity that …

This review summarizes studies of protection against singlet oxygen and radical damage by
carotenoids. The main focus is on how substitutions of the carotenoid molecules determine …