DOI Number : 10.5614/itbj.sci.2011.43.3.3
Hits : 7

Effects of glucose on the Reactive Black 5 (RB5) decolorization by two white rot basidiomycetes

Tony Hadibarata1*, Abdull Rahim Mohd Yusoff 1, Azmi Aris1, Risky Ayu Kristanti2, Topik Hidayat3,4 & Adhi Yuniarto5

1Institute of Environmental and Water Research Management,
Universiti Teknologi Malaysia
2Department of Chemical and Environmental Engineering. Yamanashi University
3Dept. of Biological Science Faculty of Bioscience and Bioengineering,
Universiti Teknologi Malaysia
4Dept. of Biology Education, Faculty of Mathematic and Natural Science,
University of Education (UPI) Bandung
5Department of Environmental Engineering, Institut Teknologi Sepuluh Nopember (ITS) Surabaya

Abstract. The capacities of glucose in the decolorization process of an azo dye, Reactive Black 5 (RB5), by two white rot basidiomycetes, Pleurotus sp. F019 and Trametes sp. F054 were investigated. The results indicated that the dye degradation by the two fungi was extremely correlated with the presence of glucose in the culture and the process of fungi growth. Decolorization of 200 mg dye/l was increased from 62% and 69% to 100% within 2025 h with the increase of glucose from 5 to 15 g/l, and the activity of manganese dependent peroxidase (MnP) increased by 29 fold in this case. Hydrogen peroxide of 0.55 mg/l and 0.43 mg/l were detected in 10 h in Pleurotus sp. F019 and Trametes sp. F054 cultures.

Keywords: Decolorization; Glucose; Manganese peroxidase; Pleurotus sp. F019; Reactive Black 5; Trametes sp. F054.

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