Figure 5

Mass fragmentation analysis of methylated resveratrol analogs in recombinant E. coli. Structures and MSn spectra of the predicted analogs produced using the artificial biosynthetic pathways. (a) 3,5-dihydroxy-4’-methoxystilbene; (b) 3,4’-dimethoxy-5-hydroxystilbene; and (c) standard resveratrol.