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Title: Selective synthesis of human milk fat-style structured triglycerides from microalgal oil in a microfluidic reactor packed with immobilized lipase

Abstract

Human milk fat-style structured triacylglycerols were produced from microalgal oil in a continuous microfluidic reactor packed with immobilized lipase for the first time. A remarkably high conversion efficiency was demonstrated in the microreactor with reaction time being reduced by 8 times, Michaelis constant decreased 10 times, the lipase reuse times increased 2.25-fold compared to those in a batch reactor. In addition, the content of palmitic acid at sn-2 position (89.0%) and polyunsaturated fatty acids at sn-1, 3 positions (81.3%) are slightly improved compared to the product in a batch reactor. The increase of melting points (1.7 °C) and decrease of crystallizing point (3 °C) implied higher quality product was produced using the microfluidic technology. The main cost can be reduced from 212.3 to 14.6 per batch with the microreactor. Altogether, the microfluidic bioconversion technology is promising for modified functional lipids production allowing for cost-effective approach to produce high-value microalgal coproducts.

Authors:
 [1];  [2];  [2];  [3];  [2];  [2];  [2];  [1]
+ Show Author Affiliations
  1. Jiangsu Univ. of Science and Technology, Zhenjiang (People's Republic of China); Chinese Academy of Agricultural Sciences, Zhenjiang (People's Republic of China)
  2. Jiangsu Univ. of Science and Technology, Zhenjiang (People's Republic of China)
  3. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
Jiangsu Province; Jiangsu University of Science and Technology; Modern Agro-industry Technology Research System of China; USDOE
OSTI Identifier:
1326324
Report Number(s):
NREL/JA-5100-67110
Journal ID: ISSN 0960-8524
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Bioresource Technology
Additional Journal Information:
Journal Volume: 220; Journal Issue: C; Journal ID: ISSN 0960-8524
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; structured triacylglycerols; coproduct; polyunsaturated fatty acid; microalgae oil; microfluidic bioconversion

Citation Formats

Wang, Jun, Liu, Xi, Wang, Xu -Dong, Dong, Tao, Zhao, Xing -Yu, Zhu, Dan, Mei, Yi -Yuan, and Wu, Guo -Hua. Selective synthesis of human milk fat-style structured triglycerides from microalgal oil in a microfluidic reactor packed with immobilized lipase. United States: N. p., 2016. Web. doi:10.1016/j.biortech.2016.08.023.
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Wang, Jun, Liu, Xi, Wang, Xu -Dong, Dong, Tao, Zhao, Xing -Yu, Zhu, Dan, Mei, Yi -Yuan, & Wu, Guo -Hua. Selective synthesis of human milk fat-style structured triglycerides from microalgal oil in a microfluidic reactor packed with immobilized lipase. United States. https://doi.org/10.1016/j.biortech.2016.08.023
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Wang, Jun, Liu, Xi, Wang, Xu -Dong, Dong, Tao, Zhao, Xing -Yu, Zhu, Dan, Mei, Yi -Yuan, and Wu, Guo -Hua. Thu . "Selective synthesis of human milk fat-style structured triglycerides from microalgal oil in a microfluidic reactor packed with immobilized lipase". United States. https://doi.org/10.1016/j.biortech.2016.08.023. https://www.osti.gov/servlets/purl/1326324.
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@article{osti_1326324,
title = {Selective synthesis of human milk fat-style structured triglycerides from microalgal oil in a microfluidic reactor packed with immobilized lipase},
author = {Wang, Jun and Liu, Xi and Wang, Xu -Dong and Dong, Tao and Zhao, Xing -Yu and Zhu, Dan and Mei, Yi -Yuan and Wu, Guo -Hua},
abstractNote = {Human milk fat-style structured triacylglycerols were produced from microalgal oil in a continuous microfluidic reactor packed with immobilized lipase for the first time. A remarkably high conversion efficiency was demonstrated in the microreactor with reaction time being reduced by 8 times, Michaelis constant decreased 10 times, the lipase reuse times increased 2.25-fold compared to those in a batch reactor. In addition, the content of palmitic acid at sn-2 position (89.0%) and polyunsaturated fatty acids at sn-1, 3 positions (81.3%) are slightly improved compared to the product in a batch reactor. The increase of melting points (1.7 °C) and decrease of crystallizing point (3 °C) implied higher quality product was produced using the microfluidic technology. The main cost can be reduced from 212.3 to 14.6 per batch with the microreactor. Altogether, the microfluidic bioconversion technology is promising for modified functional lipids production allowing for cost-effective approach to produce high-value microalgal coproducts.},
doi = {10.1016/j.biortech.2016.08.023},
journal = {Bioresource Technology},
number = C,
volume = 220,
place = {United States},
year = {Thu Aug 18 00:00:00 EDT 2016},
month = {Thu Aug 18 00:00:00 EDT 2016}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.biortech.2016.08.023
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