Fig. 4. Schematic representation of the metabolic pathways of protocatechuic, p-coumaric, chlorogenic and caffeic acids (for review see reference 1). Red arrows refer to presumptive
metabolic pathways adopted by Lactobacillus spp. strains during fermentation of cherry juice (ChJ) and broccoli puree (BrP). (For interpretation of the references to color in
this figure legend, the reader is referred to the web version of this article.)