Considerable genetic variation exists in tomato for micronutrients with antioxidant activity or other health conferring properties (Hanson et al. 2004; Schauer et al. 2005). A number of these micronutrients, particularly carotenoids, have long been major objectives of breeding programs because of their contribution to the quality of fresh and processed tomato products. Increased recognition of their health promoting properties has stimulated new research to identify loci that influence their concentration in tomato.
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