Effect of prebiotic carbohydrates on the growth and tolerance of Lactobacillus

► Novel GOS from lactulose stimulating the growth of lactobacilli strains. ► Strain-dependent effects were observed using different prebiotic. ► Resistance to gastrointestinal conditions of some Lactobacillus strains were improved when they were grown on prebiotics. ► Increase on Lactobacilli hydrophobicity was found using prebiotic.