Fig. 1.
a Batch fermentations of L. lactis CECT 539 in the DW (■), DW25 (●), DW50 (□), DW75 (▽), DW100 (△) and DW125 (O) media. TS, Pr, TN, TP, X, Nis, and LA: concentrations of total sugars, proteins, total nitrogen, total phosphorus, biomass, nisin, and lactic acid. b The nutrients consumed (TSc, Prc, TNc, and TPc), rate of pH decrease (rpH), and products synthesized (Xp, Nisp, and LAp) as a function of the amount of nutrients (Nut) added