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author:

Zhang, Zhen (Zhang, Zhen.) [1] | Cai, Weixin (Cai, Weixin.) [2] | Ma, Ruijuan (Ma, Ruijuan.) [3] | Ho, Shih-Hsin (Ho, Shih-Hsin.) [4] | Xie, Youping (Xie, Youping.) [5] (Scholars:谢友坪) | Chen, Jianfeng (Chen, Jianfeng.) [6] (Scholars:陈剑锋)

Indexed by:

EI Scopus SCIE

Abstract:

The versatile trophic adaptability of Chlorella sorokiniana has garnered significant attention, establishing it as a promising alga for efficient lutein production. In this study, the lutein production characteristics of C . sorokiniana FZU60 were compared under autotrophic, mixotrophic, and heterotrophic conditions. The results demonstrated that glucose supplementation promoted algal cell growth but concurrently reduced lutein content. In contrast, light induction was essential for enhancing lutein synthesis. Consequently, two-stage trophic strategies were developed to simultaneously facilitate cell growth and lutein synthesis. It was determined that optimal lutein production could be achieved by employing the heterotrophy-mixotrophy strategy in conjunction with white light at 500 mu mol/m2/s during the second stage (mixotrophic stage). Furthermore, combining the heterotrophymixotrophy strategy with fed-batch operation further enhanced the efficacy of lutein production in FZU60. The resulting lutein productivity demonstrated a remarkable 365.1 % improvement over the heterotrophy strategy (Strategy I) and an 80.8 % increase over the mixotrophy strategy (Strategy III), when both were coupled with fed- batch operation. These findings were subsequently validated in a 5 L fermenter where FZU60 exhibited exceptional lutein content, yield, and productivity reaching 6.14 mg/g, 285.02 mg/L, and 44.95 mg/L/d, respectively. Overall, this study successfully develops an effective cultivation strategy to address the inherent conflict between cell growth and lutein synthesis in algal cells, thereby demonstrating considerable potential as an industrial pathway for efficient lutein production.

Keyword:

Chlorella sorokiniana Fed-batch operation Lutein Trophic mode Trophic transition

Community:

  • [ 1 ] [Zhang, Zhen]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Cai, Weixin]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 3 ] [Xie, Youping]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 4 ] [Chen, Jianfeng]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 5 ] [Cai, Weixin]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 6 ] [Ho, Shih-Hsin]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 7 ] [Xie, Youping]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 8 ] [Chen, Jianfeng]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 9 ] [Cai, Weixin]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utilizat, Fuzhou 350108, Peoples R China
  • [ 10 ] [Xie, Youping]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utilizat, Fuzhou 350108, Peoples R China
  • [ 11 ] [Chen, Jianfeng]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utilizat, Fuzhou 350108, Peoples R China
  • [ 12 ] [Ma, Ruijuan]Jimei Univ, Fisheries Coll, Xiamen Key Lab Feed Qual Testing & Safety Evaluat, Xiamen 361021, Peoples R China
  • [ 13 ] [Ho, Shih-Hsin]Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China

Reprint 's Address:

  • 谢友坪 陈剑锋

    [Xie, Youping]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China;;[Chen, Jianfeng]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China

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Source :

BIOCHEMICAL ENGINEERING JOURNAL

ISSN: 1369-703X

Year: 2025

Volume: 215

3 . 7 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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