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Microbial Lipid Production from Corn Stover by the Oleaginous Yeast Rhodosporidium toruloides Using the PreSSLP Process

Author

Listed:
  • Xiaozan Dai

    (Sci-Tech Center for Clean Conversion and High-valued Utilization of Biomass, Jilin Province, Northeast Electric Power University, Jilin 132012, China)

  • Hongwei Shen

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

  • Qiang Li

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

  • Kamal Rasool

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

  • Qian Wang

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

  • Xue Yu

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

  • Lei Wang

    (Sci-Tech Center for Clean Conversion and High-valued Utilization of Biomass, Jilin Province, Northeast Electric Power University, Jilin 132012, China)

  • Jie Bao

    (School of Biotechnology, East China University of Science and Technology, Shanghai 200237, China)

  • Dayu Yu

    (Sci-Tech Center for Clean Conversion and High-valued Utilization of Biomass, Jilin Province, Northeast Electric Power University, Jilin 132012, China)

  • Zongbao K. Zhao

    (Division of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian 116023, China)

Abstract

Dry acid pretreatment and biodetoxification (DryPB) has been considered as an advanced technology to treat lignocellulosic materials for improved downstream bioconversion. In this study, the lipid production from DryPB corn stover was investigated by the oleaginous yeast Rhodosporidium toruloides using a new process designated prehydrolysis followed by simultaneous saccharification and lipid production (PreSSLP). The results found that prehydrolysis at 50 °C and then lipid production at 30 °C improved lipid yield by more than 17.0% compared with those without a prehydrolysis step. The highest lipid yield of 0.080 g/g DryPB corn stover was achieved at a solid loading of 12.5%. The fatty acid distribution of lipid products was similar to those of conventional vegetable oils that are used for biodiesel production. Our results suggested that the integration of DryPB process and PreSSLP process can be explored as an improved technology for microbial lipid production from lignocellulosic materials.

Suggested Citation

  • Xiaozan Dai & Hongwei Shen & Qiang Li & Kamal Rasool & Qian Wang & Xue Yu & Lei Wang & Jie Bao & Dayu Yu & Zongbao K. Zhao, 2019. "Microbial Lipid Production from Corn Stover by the Oleaginous Yeast Rhodosporidium toruloides Using the PreSSLP Process," Energies, MDPI, vol. 12(6), pages 1-10, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:6:p:1053-:d:215149
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    References listed on IDEAS

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    1. Kumar, Dipesh & Singh, Bhaskar & Korstad, John, 2017. "Utilization of lignocellulosic biomass by oleaginous yeast and bacteria for production of biodiesel and renewable diesel," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 654-671.
    2. Dong, Chengyu & Wang, Ying & Chan, Ka-Lai & Bhatia, Akanksha & Leu, Shao-Yuan, 2018. "Temperature profiling to maximize energy yield with reduced water input in a lignocellulosic ethanol biorefinery," Applied Energy, Elsevier, vol. 214(C), pages 63-72.
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    Cited by:

    1. Pant, Manish & Pant, Tanuja, 2023. "Maximising biotransformation of pine needles to microbial lipids using Lipomyces starkeyi MTCC 1400T," Renewable Energy, Elsevier, vol. 206(C), pages 574-581.
    2. Marina Grubišić & Maja Galić Perečinec & Ines Peremin & Katarina Mihajlovski & Sunčica Beluhan & Božidar Šantek & Mirela Ivančić Šantek, 2022. "Optimization of Pretreatment Conditions and Enzymatic Hydrolysis of Corn Cobs for Production of Microbial Lipids by Trichosporon oleaginosus," Energies, MDPI, vol. 15(9), pages 1-16, April.
    3. Qiang Li & Rasool Kamal & Qian Wang & Xue Yu & Zongbao Kent Zhao, 2020. "Lipid Production from Amino Acid Wastes by the Oleaginous Yeast Rhodosporidium toruloides," Energies, MDPI, vol. 13(7), pages 1-9, April.
    4. Chuengcharoenphanich, Nuttha & Watsuntorn, Wannapawn & Qi, Wei & Wang, Zhongming & Hu, Yunzi & Chulalaksananukul, Warawut, 2023. "The potential of biodiesel production from grasses in Thailand through consolidated bioprocessing using a cellulolytic oleaginous yeast, Cyberlindnera rhodanensis CU-CV7," Energy, Elsevier, vol. 263(PB).

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