Decolorization of Fast red by metabolizing cells of <Emphasis Type="Italic">Oenococcus oeni</Emphasis> ML34 |
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| Authors: | Amani M D El Ahwany |
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| Institution: | (1) Botany Department, Section of Microbiology, Faculty of Science, Alexandria University, Alexandria, Egypt |
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| Abstract: | Three different azo dyes such as Fast red, metanil yellow and Fast orange were examined for their decolorization by O. oeni ML34. Fast red (FR) was decolorized by 68%, whereas the other dyes were removed by only about 30%. The effects of glucose
addition, substrate (dye) concentration and environmental factors (temperature, pH) on decolorization were investigated by
two-level factorial design. The statistical analyses revealed that glucose specifically increases the extent of FR decolorization.
A glucose level of 5 g/l was the optimum concentration for removal of, FR reaching a decolorization percentage of up to 93%. |
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| Keywords: | Oenococcus oeni ML34 Azo dye Fast red Decolorization Factorial design |
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