Decolorization of textile dyes and effluents using potato (Solanum tuberosum) phenoloxidase

被引：14
|
作者：
Loncar, Nikola [1 ]
Janovic, Barbara [1 ]
Vujcic, Miroslava [2 ]
Vujcic, Zoran [1 ]
机构：
[1] Univ Belgrade, Fac Chem, Belgrade, Serbia
[2] Univ Belgrade, Technol & Met Ctr Chem, Inst Chem, Belgrade, Serbia
来源：
INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2012年 / 72卷
关键词：
Polyphenol oxidase; Potato; Decolorization; Reactive dyes; Dye effluent; POLYPHENOL OXIDASE; WASTE-WATER; REMOVAL; IMMOBILIZATION; ENZYME;
D O I：
10.1016/j.ibiod.2012.05.001
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Potatoes are desirable source for polyphenol oxidase (PPO, EC 1.14.18.1) purification because this enzyme can be purified from the food industry waste such are potato peels from potato chips industry. This paper presents data concerning decolorization of 7 different, so far untested textile dyes and 3 real samples (industry effluents) by a partially purified PPO. Under optimized conditions 93-99.9% removal of dyes was achieved after 1 h using 424-1700 U ml(-1) of PPO, depending on dye. Optimum pH for decolorization process of all dyes was found to be 3.0. Potato PPO was capable of removing reactive dyes and textile dye effluents without requiring any mediator. Decolorization was accomplished via insoluble polymers formations that were separated by filtration. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：42 / 45
页数：4
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