9Heckman M A,Weil J, De Mejia E G.Caffeine(1,3,7-trimethylx- anthine)in foods: a comprehensive review on consumption, functionality, safety, and regulatory matters [J].J Fo6d Sci, 2010,75(3):77-87.
10Mohanpuria P, Kumar V,Ahuja P S, et al.Producing low-caffeine tea through post-transcriptional silencing of caffeine synthase mRNA[J].Plant Mol Biol,2011,76(6):23-34.