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Evaluating the Potential of Rhodosporidium toruloides -1588 for High Lipid Production Using Undetoxified Wood Hydrolysate as a Carbon Source

Author

Listed:
  • Rahul Saini

    (Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, ON M3J 1P3, Canada)

  • Krishnamoorthy Hegde

    (Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, ON M3J 1P3, Canada)

  • Carlos Saul Osorio-Gonzalez

    (Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, ON M3J 1P3, Canada)

  • Satinder Kaur Brar

    (Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, ON M3J 1P3, Canada)

  • Pierre Vezina

    (Directeur énergie et environnement, Conseil de l’industrie Forestière du Québec, 1175 Avenue Lavigerie Suite 200, Québec, QC G1V 4P1, Canada)

Abstract

The study aims to explore microbial lipid production using an abundant and low-cost lignocellulosic biomass derived from forestry residues. Sugar-rich undetoxified hydrolysate was prepared using hardwood and softwood sawdust and used for lipid production as a carbon source from an oleaginous yeast, Rhodosporidium toruloides -1588. The maximum biomass obtained was 17.09 and 19.56 g/L in hardwood and softwood hydrolysate, respectively. Sugar consumption in both hydrolysates was >95%, with a maximum lipid accumulation of 36.68% at 104 h and 35.24% at 96 h. Moreover, R. toruloides -1588 exhibited tolerance to several toxic compounds such as phenols, organic acids and furans present in hydrolysates. The lipid characterization showed several monosaturated and polyunsaturated fatty acids, making it a potential feedstock for biofuels and oleochemicals production. This study confirms the credibility of R. toruloides -1588 as a suitable lipid producer using hydrolysates from forestry residues as a substrate. Additionally, lipids obtained from R. toruloides -1588 could be a potential feedstock for advanced biofuel production as well as for food and pharmaceutical applications.

Suggested Citation

  • Rahul Saini & Krishnamoorthy Hegde & Carlos Saul Osorio-Gonzalez & Satinder Kaur Brar & Pierre Vezina, 2020. "Evaluating the Potential of Rhodosporidium toruloides -1588 for High Lipid Production Using Undetoxified Wood Hydrolysate as a Carbon Source," Energies, MDPI, vol. 13(22), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:22:p:5960-:d:445425
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    References listed on IDEAS

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    1. Zhiwei Zhu & Sufang Zhang & Hongwei Liu & Hongwei Shen & Xinping Lin & Fan Yang & Yongjin J. Zhou & Guojie Jin & Mingliang Ye & Hanfa Zou & Zongbao K. Zhao, 2012. "A multi-omic map of the lipid-producing yeast Rhodosporidium toruloides," Nature Communications, Nature, vol. 3(1), pages 1-12, January.
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    Cited by:

    1. Alejandra Sánchez-Solís & Odette Lobato-Calleros & Rubén Moreno-Terrazas & Patricia Lappe-Oliveras & Elier Neri-Torres, 2024. "Biodiesel Production Processes with Yeast: A Sustainable Approach," Energies, MDPI, vol. 17(2), pages 1-37, January.
    2. Alok Patel & Ulrika Rova & Paul Christakopoulos & Leonidas Matsakas, 2022. "Role of Oleaginous Microorganisms in the Field of Renewable Energy," Energies, MDPI, vol. 15(16), pages 1-3, August.

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