Figure 1: A: Intense brown coloration formed after 24hr of incubation on flooding the KV10 culture, grown on MEA with Guiacol B: Intense brown coloration formed after 24hr of incubation on flooding the KV11 culture, grown on MEA with Guiacol. C: Malachite green decolorized by KV10 and Native Malachite green D: Native Crystal violet, in ME Broth and Crystal violet, decolorized by KV11.