Fig. 2From: Optimization of bacterioruberin production from Halorubrum ruber and assessment of its antioxidant potential3D response surface plots representing the interactions of various variable pairs on total carotenoid production: (a) pH and yeast extract (b) pH and inoculum volume (c) pH and incubation time (d) yeast extract and NaCl (e) yeast extract and inoculum volume (f) yeast extract and incubation time. YE: yeast extract; IV: inoculum volume; IT: incubation timeBack to article page