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Trachydiscus minutus, a new biotechnological source of eicosapentaenoic acid

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Abstract

The yellow-green alga Trachydiscus minutus (class Xanthophyta) was cultivated in a standard medium and in media without sulfur and nitrogen. Its yield after a 16-d cultivation reached 13 g dry mass per 1 L medium. The content of oligoenoic (‘polyenoic’) fatty acid (PUFA), i.e. eicosapentaenoic (EPA), was in excess of 35 % of total fatty acids; the productivity was thus 88 mg/L per d. This result makes the alga a very prospective organism that may serve as a new biotechnological source of single cell oil.

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Abbreviations

EPA:

eicosapentaenoic acid

FA:

fatty acid

FAME:

fatty acid methyl ester

PUFA:

oligoenoic (‘polyenoic’) fatty acid

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Authors and Affiliations

  1. Institute of Microbiology v.v.i., Academy of Sciences of the Czech Republic, 142 20, Prague, Czech Republic

    T. Řezanka, M. Petránková, K. Sigler & T. Cajthaml

  2. Centre for Bioindication and Revitalization, Institute of Botany v.v.i., Academy of Sciences of the Czech Republic, 379 82, Třeboň, Czech Republic

    V. Cepák & P. Přibyl

Authors
  1. T. Řezanka
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  2. M. Petránková
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  3. V. Cepák
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  4. P. Přibyl
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  5. K. Sigler
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  6. T. Cajthaml
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Correspondence to T. Řezanka.

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Řezanka, T., Petránková, M., Cepák, V. et al. Trachydiscus minutus, a new biotechnological source of eicosapentaenoic acid. Folia Microbiol 55, 265–269 (2010). https://doi.org/10.1007/s12223-010-0039-0

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  • DOI: https://doi.org/10.1007/s12223-010-0039-0

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