Fig. 3. Optical Density (OD) of adhesion on stainless steel coupons during biofilm formation incubation of B. licheniformis in 0.1% (3A), 1.0% (3B) and 5.0% (3C) skim milk solutions,
and L. paracasei in 0.1% (3D), 1.0% (3E) and 5.0% (3F) skim milk solutions. Vertical error bars represent standard deviations of 3 replicate samples. C: pH-unadjusted samples; B:
pH-adjusted samples.