Evaluation of the relation between the endogenous scopoletin and scopolin level of some solanaceous and papaver cell suspensions and their ability to bioconvert scopoletin to scopolin - Fliniaux, M A; Gillet-Manceau, F; Marty, D; Macek, T; Monti, J P; Jacquin-Dubreuil, A (Plant Sci, 1997)