Figure 7: HPLC analysis of Ponceau BS degradation by Sphingomonas sp under different conditions. Panel A shows Ponceau BS in Nutrient Broth with Sphingomonas sp (time=0 hours), panel B shows Ponceau BS degradation profile with Sphingomonas sp after 24 hours under aerobic condition, and panel C shows Ponceau BS with Sphingomonas sp after 24 hours under anaerobic condition.