The capacity of undifferentiated tissues to form phenolic compounds is
very limited, but when the calli underwent organogenesis, developing mainly adventitious shoots, the
phenolic compound production increased significantly. Plantlets regenerated from adventitious shoots
of L. divaricata calli did not show the same phenolic pattern as wild plants, with levels of NDGA and
quercetin being 3.6- and 5.9-fold lower, respectively.