On the other hand, the decolorization percentage recorded by Bur. cepace-TN5 with acid orange 7 showed detectable changes in the color removal percentage after 6 hours and 12 hours when compared with the changes in color removal by Com. acidovorns-TN1 during the same in- terval of time. Protein content measured after 6 and 12 hours for Bur. cepace-TN5 also was higher than that achieved in the same intervals by Com. acidovorns-TN1.