| Enzymatic synthesis of L-tryptophan from hair acid hydrolysis industries wastewater with tryptophan synthase. | |
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MedLine Citation:
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PMID: 20884203 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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An effective method for production of L-tryptophan from hair acid hydrolysis wastewater (HHW) containing L-serine was developed by recombinant tryptophan synthase. This study provides us with an alternative HHW utilization strategy. Tryptophan synthase could efficiently convert L-serine contained in HHW to L-tryptophan at pH 8.0, 40°C and Tween-80 of 0.04%. The enzyme also showed high tolerance to ammonium chloride, a component in HHW. In a scale up study, L-serine conversion rate reach 95.1% with a final L-tryptophan concentration of 33.2 g l(-1). |
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Authors:
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Genhai Zhao; Junzhong Liu; Kai Dong; Fei Zhang; Hongjuan Zhang; Qian Liu; Qingcai Jiao |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-09-21 |
Journal Detail:
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Title: Bioresource technology Volume: 102 ISSN: 1873-2976 ISO Abbreviation: Bioresour. Technol. Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-01-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: England |
Other Details:
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Languages: eng Pagination: 3554-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing, People's Republic of China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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