Caffeine and theobromine formation by tissue cultures of Camellia sinensis

6-benziladenina 6-benzyladenine aia alcaloides de la xantina ba biochemistry biochimie biosynthese biosynthesis caffeine cal callo callus camellia sinensis cell culture cultivo de tejidos cultivo in vitro culture de cellule culture de tissu culture in vitro culture media feuille hojas iaa in vitro culture leaves medio de cultivo milieu de culture plant growth substances racine roots sustancias de crecimiento vegetal te tea teobromina theobromine tissue culture xanthine alkaloids