Abstract
The aim of this study was to characterize the activity of oxidoreductases during biotransformation of 0.01% anthraquinone dyes: Alizarin Blue Black B (ABBB) and Acid Blue 129 (AB129), Carminic Acid (CA), Remazol Brilliant Blue R (RBBR), Acid Green 25 (AG25) and Poly R-478 by immobilized strain of Bjerkandera adusta CCBAS 930. Phenolic compounds, phytotoxicity (Lepidium sativum L.), biotoxicity were evaluated to determine the toxicity of anthraquinone dyes before and after the treatment with immobilized B. adusta CCBAS 930. More than 60% of CA and AB129 were removed by immobilized B. adusta CCBAS after 7 days. No secondary products toxic to plants and bacteria were formed during immobilized cultures of B. adusta CCBAS 930.
Highlights
Synthetic dyes are widely used in many industries, such as textile, cosmetic, pharmaceutical and food industries
The aim of this study was to determine the effectivenesses of antrhraquinone dyes: Alizarin Blue Black B (ABBB), Acid Blue 129 (AB129), Carminic Acid (CA), Remazol Brilliant Blue R (RBBR), Acid Green 25 (AG25) and Poly R-478 decolorization and peroxidases production by immobilised mycelium of B. adusta CCBAS 930
The results showed that the use of immobilised mycelium of B. adusta CCBAS 930 significantly reduces the time of decolorization of ABBB, AB129, CA and RBBR
Summary
Synthetic dyes are widely used in many industries, such as textile, cosmetic, pharmaceutical and food industries. The biological methods are attractive because of their low costs, environmental safety and common societal acceptance Promising in this regard are white-rot fungi (Basidiomycetes). In previous studies the B. adusta CCBAS 930 strain has been shown to exhibit decolourizing activity on synthetic dyes with an anthraquinone structure (monoanthraquinones: Carminic Acid and Remazol Brilliant Blue R; polyanthraquinones: Poly-R) [4,5], Alizarin Blue Black B, Acid Blue 129 (data not show), triphenylmethane dyes (Brilliant Green) and heterocyclic dyes (erythrosine) [6]. The use of such immobilized cultures for biodegradation of aromatic compounds has many advantages. Immobilized cells are more stable, durable, and resistant to environmental conditions than conventional cultures [7,8]
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