Fig. 7From: De novo biosynthesis of p-coumaric acid and caffeic acid from carboxymethyl-cellulose by microbial co-culture strategya Schematic illustration of the multi-strain co-culture system. b CA production and p-CA residue after 168Â h fermentation in the multi-strain co-culture system with different inoculation ratios of NK-B2b to NK-B2d. Three replicates of each sample were usedBack to article page