Dietary phytochemicals and human health.

This chapter is a comprehensive review of the health promotingphytochemicals commonly found in our daily food. These include carotenoids, phenolics, phytoestrogenes, polyunsaturated fatty acids, conjugated linoleic acids, tocols, allicin, glucosinolates, limonene and capsaicinoids. The review encompasses the main food sources of these chemicals in the diet, the possible mechanisms of their activity, evidence for potential health promoting activity and possible harmful effects. The newly emerged interest in these phytochemicals in animal nutrition as substitutes for synthetic antibiotic growth promoters has also been addressed.