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Lipid production from Jerusalem artichoke by Rhodosporidium toruloides Y4

  • Original Paper
  • Published:
Journal of Industrial Microbiology & Biotechnology

Abstract

Jerusalem artichoke (JA) is a perennial herbaceous plant widely available as non-grain raw material. Microbial lipid has been suggested as a potential feedstock for large scale biodiesel production. This paper describes lipid production using JA tuber processed by oleaginous yeast Rhodosporidium toruloides Y4. Batch and fed-batch modes were tested with feeding of concentrated JA extracts or JA hydrolysates. Cultivation of R. toruloides Y4 with JA extracts gave a moderate cellular lipid content of 40% (w/w), whereas lipid titer and cellular lipid content reached 39.6 g l−1 and 56.5% (w/w), respectively, when JA hydrolysates were fed. Our results suggested that JA tubers may be further explored as raw material for large scale microbial lipid production.

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Acknowledgments

This work was supported by the Knowledge Innovation Program of CAS (NO. KSCX2-YW-G-012).

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Authors and Affiliations

  1. Dalian Institute of Chemical Physics, CAS, 116023, Dalian, China

    Xin Zhao, Siguo Wu, Cuimin Hu, Qian Wang, Yanyan Hua & Zongbao K. Zhao

  2. Graduate School of the Chinese Academy of Sciences, 100049, Beijing, China

    Xin Zhao, Siguo Wu & Cuimin Hu

  3. Dalian National Laboratory for Clean Energy, 116023, Dalian, China

    Zongbao K. Zhao

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  1. Xin Zhao
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  2. Siguo Wu
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  3. Cuimin Hu
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  4. Qian Wang
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  5. Yanyan Hua
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Correspondence to Zongbao K. Zhao.

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Zhao, X., Wu, S., Hu, C. et al. Lipid production from Jerusalem artichoke by Rhodosporidium toruloides Y4. J Ind Microbiol Biotechnol 37, 581–585 (2010). https://doi.org/10.1007/s10295-010-0704-y

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  • DOI: https://doi.org/10.1007/s10295-010-0704-y

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