Fig. 2From: Sustainable production of bacterioruberin carotenoid and its derivatives from Arthrobacter agilis NP20 on whey-based medium: optimization and product characterizationProduction and extraction of red pigment carotenoid from Arthrobacter agilis NP20. A Biomass and pigment accumulation pattern of NP20 strain cultivated on whey-based medium along 5Â days of incubation B Visible spectrum of the extracted pigment showing the typical (three fingered) maxima of red carotenoids with maximum absorbance around 500Â nmBack to article page