Removal of tannin from cross-linked and open chain polymeric tannin substrates using heme peroxidases of Phanerochaete chrysosporium |
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| Authors: | Arumugam Gnanamani Ganesan Sekaran Mary Babu |
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| Institution: | Department of Biotechnology, Central Leather Research Institute, Adyar, Chennai, India,
Department of Environmental Technology, Central Leather Research Institute, Adyar, Chennai, India,
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| Abstract: | Removal of tannin from different tannin substrates using heme peroxidases of Phanerochaete chrysosporium was studied. Complete removal of tannin components in spent tan liquor was observed after 24 h of incubation with peroxidases. Tannin in aqueous media containing tannic acid and condensed tannin substrates were removed by 65.70ǂ.97 and 52.43ǂ.83%. Chemical oxygen demand was reduced by 24.38ǂ.73, 33.22ǂ.20, and 58.94ǂ.07%, respectively, in spent tan liquor, tannic acid and condensed tannin substrates containing aqueous media. |
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