A highly efficient two-stage cultivation strategy for lutein production using heterotrophic culture of Chlorella sorokiniana MB-1-M12

Chun-Yen Chen, I. Chia Lu, Dillirani Nagarajan, Chien-Hsiang Chang, I-Son Ng, Duu Jong Lee, Jo-Shu Chang

研究成果: Article

15 引文 (Scopus)

摘要

A heterotrophic mutant of Chlorella sorokiniana MB-1-M12 was evaluated for its ability to produce lutein using organic carbon and nitrogen sources and without light irradiation. In batch fermentation, the maximal lutein content (3.67 mg lutein/g biomass) and productivity (2.84 mg/L/d) could be obtained when cultivated in BG-11 medium with 7.5 g/L glucose, 0.75 g/L urea, pH 7.5 and a C/N ratio of 10. A novel two-stage cultivation strategy that integrates fed-batch and semi-batch operations was applied to enhance the lutein production performance. When growing MB-1-M12 strain in a 5L fermenter using the optimal operation strategies, the maximum biomass concentration, biomass productivity, lutein content and lutein productivity could reach 25 g/L, 4.88 mg/L/d, 5.88 mg/g and 16.2 mg/L/d, respectively. This high lutein productivity could significantly reduce the cultivation time and the associated costs, indicating the potential of using MB-1-M12 strain for heterotrophic lutein production in commercial scale.

原文English
頁(從 - 到)141-147
頁數7
期刊Bioresource Technology
253
DOIs
出版狀態Published - 2018 四月 1

指紋

Lutein
Productivity
productivity
Biomass
biomass
Fermenters
organic nitrogen
Organic carbon
Urea
Fermentation
urea
fermentation
Glucose
irradiation
glucose
organic carbon
Irradiation
Nitrogen
cost
Costs

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

引用此文

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abstract = "A heterotrophic mutant of Chlorella sorokiniana MB-1-M12 was evaluated for its ability to produce lutein using organic carbon and nitrogen sources and without light irradiation. In batch fermentation, the maximal lutein content (3.67 mg lutein/g biomass) and productivity (2.84 mg/L/d) could be obtained when cultivated in BG-11 medium with 7.5 g/L glucose, 0.75 g/L urea, pH 7.5 and a C/N ratio of 10. A novel two-stage cultivation strategy that integrates fed-batch and semi-batch operations was applied to enhance the lutein production performance. When growing MB-1-M12 strain in a 5L fermenter using the optimal operation strategies, the maximum biomass concentration, biomass productivity, lutein content and lutein productivity could reach 25 g/L, 4.88 mg/L/d, 5.88 mg/g and 16.2 mg/L/d, respectively. This high lutein productivity could significantly reduce the cultivation time and the associated costs, indicating the potential of using MB-1-M12 strain for heterotrophic lutein production in commercial scale.",
author = "Chun-Yen Chen and Lu, {I. Chia} and Dillirani Nagarajan and Chien-Hsiang Chang and I-Son Ng and Lee, {Duu Jong} and Jo-Shu Chang",
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AU - Chen, Chun-Yen

AU - Lu, I. Chia

AU - Nagarajan, Dillirani

AU - Chang, Chien-Hsiang

AU - Ng, I-Son

AU - Lee, Duu Jong

AU - Chang, Jo-Shu

PY - 2018/4/1

Y1 - 2018/4/1

N2 - A heterotrophic mutant of Chlorella sorokiniana MB-1-M12 was evaluated for its ability to produce lutein using organic carbon and nitrogen sources and without light irradiation. In batch fermentation, the maximal lutein content (3.67 mg lutein/g biomass) and productivity (2.84 mg/L/d) could be obtained when cultivated in BG-11 medium with 7.5 g/L glucose, 0.75 g/L urea, pH 7.5 and a C/N ratio of 10. A novel two-stage cultivation strategy that integrates fed-batch and semi-batch operations was applied to enhance the lutein production performance. When growing MB-1-M12 strain in a 5L fermenter using the optimal operation strategies, the maximum biomass concentration, biomass productivity, lutein content and lutein productivity could reach 25 g/L, 4.88 mg/L/d, 5.88 mg/g and 16.2 mg/L/d, respectively. This high lutein productivity could significantly reduce the cultivation time and the associated costs, indicating the potential of using MB-1-M12 strain for heterotrophic lutein production in commercial scale.

AB - A heterotrophic mutant of Chlorella sorokiniana MB-1-M12 was evaluated for its ability to produce lutein using organic carbon and nitrogen sources and without light irradiation. In batch fermentation, the maximal lutein content (3.67 mg lutein/g biomass) and productivity (2.84 mg/L/d) could be obtained when cultivated in BG-11 medium with 7.5 g/L glucose, 0.75 g/L urea, pH 7.5 and a C/N ratio of 10. A novel two-stage cultivation strategy that integrates fed-batch and semi-batch operations was applied to enhance the lutein production performance. When growing MB-1-M12 strain in a 5L fermenter using the optimal operation strategies, the maximum biomass concentration, biomass productivity, lutein content and lutein productivity could reach 25 g/L, 4.88 mg/L/d, 5.88 mg/g and 16.2 mg/L/d, respectively. This high lutein productivity could significantly reduce the cultivation time and the associated costs, indicating the potential of using MB-1-M12 strain for heterotrophic lutein production in commercial scale.

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