Tomato contains a diverse range of metabolites with different molecular weights and polarities (Fig. 11). Thus, itiscurrently notpossibletoobtainanoverview of the entire metabolome in a single analysis. Never theless, it has been shown that metabolite analyses with comprehensive coverage, if not complete, can provide novel insights into plant metabolic pathways (Urbanczyk-Wochniak et al. 2003; Hirai et al. 2004, 2005; Tohge et al. 2005). Comprehensive coverage is achieved through combinations of complementary extraction and detection methods.
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