Abstract
This chapter covers carotenoids, a class of over 700 lipid-soluble bioactive compounds. The key topics of the chapter are carotenoids chemical structure, potential in nutrition, and a broad spectrum of biological functions for health benefits and therapeutic applications. The properties of lycopene β-carotene, astaxanthin, lutein, and zeaxanthin are discussed in detail. The content of carotenoids in food and their bioavailability are also discussed, as well as the growing interest of food designers in the development of functional food products and dietary supplements. The final section covers briefly the current analytical techniques and methodologies used in the analysis of carotenoids in foods and human samples.
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