Figure 6From: Inhibition of pathogenic and spoilage bacteria by a novel biofilm-forming Lactobacillus isolate: a potential host for the expression of heterologous proteinsMeasure pH changes. pH values were measured during 6 days cultivation of Salmonella enterica, Pseudomonas fluorescens ATCC 13525, Aeromonas hydrophila ATCC 7965 and Bacillus cereus with Lb. plantarum PA21 biofilm.Back to article page