TABLE 1

Average cell densities at peak and trough in each type of culturea

VesselVol (ml)Peak CFU/mlTrough CFU/mlTrough day
Tube23.3 × 1082.0 × 1072
51.6 × 1099.1 × 1054
12.52.5 × 1092.7 × 1055.7
Flask52.6 × 1093.1 × 1073
12.51.1 × 10108.3 × 1043.3
252.2 × 10104.0 × 1024.7
501.3 × 1091.2 × 1055.3
  • a Data are averages of three independent cultures.