TABLE 1 

Impact of growth substrate on amylase activity in R. bromii L2-63a

Growth substrateCulture OD650 ± SDAmylase activity (units/mg cell protein ± SD)b
Culture supernatantCell pellet
0.2% fructose0.52 ± 0.030.022 ± 0.0070.047 ± 0.025
0.2% potato starch0.49 ± 0.010.027 ± 0.0090.059 ± 0.039
  • a Data were determined in cultures growing exponentially on RUM medium and are presented as means and SDs of the results of three replicate experiments.

  • b 1 unit = 1 μM glucose/min.