Influence of temperature on viable cell counts (■), changes in pH (♦) and EPS concentration (▲) of B. longum subsp. infantis CCUG 52486 at (a) 25 °C, (b) 30 °C, (c) 37 °C and
(d) 42 °C in skim milk supplemented with 1.5% CH for 48 h. Vertical lines represent standard deviations