Table 1

Activity of bifidobacterium strains isolated from resident infant human gastrointestinal microflora against the S typhimurium SL1344 strain

StrainViable S typhimurium
(log cfu/ml)
Control S typhimurium
 SL13448.0
Bifidobacterium strain
 Viv46.5 (0.7)
 Viv57.5 (0.2)
 CA13.0 (0.4)1-160
 CA76.3 (0.6)
 Jo66.9 (0.2)
 Jo77.5 (0.2)
 Br136.9 (0.2)
 Br145.8 (0.6)
 Br156.5 (0.5)
 F92.1 (0.2)1-160
 Cyn137.6 (0.4)
 Lara37.0 (0.3)
 Ana17.2 (0.4)
 Ana25.8 (0.6)
  • 1-1 Experimental conditions are described in materials and methods. S typhimurium SL1344 (108 cfu/ml) was subjected for three hours at 37°C to bifidobacterium-SCS treatment.

  • Results are presented as mean (SEM) obtained from 3–4 experiments, each in triplicate.

  • Statistical analysis with Student's t test,

  • 1-160 p<0.01 compared with control.