Fig. 5From: Sustainable production of bacterioruberin carotenoid and its derivatives from Arthrobacter agilis NP20 on whey-based medium: optimization and product characterizationJMP Desirability prediction profile showing the predicted optimal coded levels (0.86, 0.96 and − 0.80) of studied three variables MgSO4, Whey and inoculum size, respectively, to maximize the pigment production of Arthrobacter agilis NP20Back to article page