Fig. 1: Biosynthesis pathways for flavonoids in tea (Shi et al. BMC Genomics 2011, 12:131).

Fig. 2: Biosynthesis pathways for theanine in tea (Shi et al. BMC Genomics 2011, 12:131).

Fig. 3: Biosynthesis pathways for caffeine in tea (Shi et al. BMC Genomics 2011, 12:131)

Fig. 4: Biosynthesis pathways for terpenoids and steroids (http://www.genome.jp/kegg/pathway/map/map01062.png)