Fig. 2

Chemical structures of the major classes of metabolites identified in the rosemary & oregano extracts. The numbers listed refer to the identified metabolites listed in Table 3. (A) Caffeic acid dimers, (B) caffeic acid trimers, (C) caffeic acid tetramer, (D) flavones, (E) flavanones, (F) abietane diterpenoids, (G) triterpenoids, (H) fatty acids.