Fig. 3

a The effect of the incubation time on the production of L-arginase. b Effect of the pH on the production of L-arginase from marine Bacillus licheniformis OF2. c Effect of incubation temperature on L-arginase production from marine Bacillus licheniformis OF2. d Effect of Carbon sources on L-arginase production from marine Bacillus licheniformis OF2. e Effect of different concentrations of maltose on L-arginase production from marine Bacillus licheniformis OF2. f Effect of different nitrogen sources on L-arginase production from marine Bacillus licheniformis OF2. g Effect of different concentrations of L-arginine on L-arginase production from marine Bacillus licheniformis OF2