Abstract
The objectives of this study were to investigate: (1) the capacity of Enterococcus faecalis on the decolorization of the azo dyes Acid Red 27 and Reactive Red 2; and (2) the growth characteristics of E. faecalis on those dyes. E. faecalis was able to decolorize Acid Red 27 and Reactive Red 2 effectively. High decolorization efficiency (95–100%) was achieved within 3 h of incubation for Acid Red 27, and 12 h for Reactive Red 2, at room temperature, neutral pH, static and non-aerated condition. Growth characteristics of E. faecalis on azo dyes, which were indicated by cell growth rate, biomass production, and growth yield, was worse than the control. E. faecalis grew better on Acid Red 27 rather than Reactive Red 2.
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The authors are grateful to acknowledge Yoga Aji Handoko and Suryasatrya Trihandaru for their technical helps, and Aldi Lasso and Chris Lundry for manuscript correction.
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Handayani, W., Meitiniarti, V.I. & Timotius, K.H. Decolorization of Acid Red 27 and Reactive Red 2 by Enterococcus faecalis under a batch system. World J Microbiol Biotechnol 23, 1239–1244 (2007). https://doi.org/10.1007/s11274-007-9355-1
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DOI: https://doi.org/10.1007/s11274-007-9355-1