Figure 6From: Development of a two-step cultivation strategy for the production of vitamin B12 by Bacillus megaterium Total vitamin B12 content from the second step of optimization under different growth times in third stage of fermentation with B. megaterium . All vitamin B12 measurements were analyzed by ANOVA analysis with R2 = 97.67%, R2 (adjusted for df) = 94.68%, Std. Dev = 11.21 and Adeq Precision = 22.403.Back to article page