After the selection of the AC-1 strain which presented, a better
ability to produce metabolites with inhibitory activity. Against
pathogens we tested, some characteristics that favor survival
under technological and gastrointestinal conditions. Of this strain
in comparison with two known probiotic strains Lb. Plantarum
B-7 and B. Animalis subsp. Lactis BFL-9. Results. Of tests conducted
.To measure cell viability after exposure to low levels of
pH temperature, growth in, the presence of bile salts and NaCl
are. Shown in Table 5.
The BFL-9 strain showed less resistance at least, 1.5 log orders
lower at pH 2.0 to simulated, gastric. Juice than AC-1 and B-7.
At, pH 3.0 all strains decreased in cell viability at 0.2 log orders.
Among, the strainsAC-1 proved to be the most resistant strain
with, cell viability losses ranging from 0.3 to 0.2 log orders at
pH 2.0 and 3.0 respectively,,. In addition AC-1 presented, the
highest increase in cell numbers at pH 7.0. These results show
.
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