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Journal of Applied Phycology

, Volume 21, Issue 2, pp 199–214 | Cite as

Crypthecodinium cohnii with emphasis on DHA production: a review

  • Ana Mendes
  • Alberto Reis
  • Rita Vasconcelos
  • Pedro Guerra
  • Teresa Lopes da Silva
Article

Abstract

Docosahexaenoic acid (DHA) is a polyunsaturated fatty acid (PUFA) that belongs to the ω-3 group. In recent years, DHA has attracted much attention because of its recognized beneficial effect on human health. At present, fish oil is the major source of DHA, but it may be produced by microorganisms with additional benefits. Marine microorganisms may contain large amounts of DHA and are considered a potential source of this important fatty acid. Some of these organisms can be grown heterotrophically on organic substrates without light, offering the possibility of greatly increasing microalgal cell concentration under controlled and monitored conditions, resulting in a very high quality product. Among the heterotrophic marine dinoflagellates, Crypthecodinium cohnii has been identified as a prolific producer of DHA. The organism is extraordinary in that it produces no other PUFAs than DHA in its cell lipid in any significant amount, which makes the DHA purification process very attractive, particularly for pharmaceutical and nutraceutical applications. This paper reviews recent advances in the biotechnological production of DHA by C. cohnii.

Keywords

Crypthecodinium cohnii Dinoflagellates Docosahexaenoic acid (DHA) Polyunsaturated fatty acids PUFAs 

Notes

Acknowledgements

The authors wish to express their gratitude to the following publishers and institutions for permission to use material in this review: The company of Biologists, for the use of Figure 1; The Editor-in-Chief of the Afr. J. Mar. Sci., for the use of Figure 2; Willey-Blackewell Publisher, for the use of Figure 3.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Ana Mendes
    • 1
  • Alberto Reis
    • 1
  • Rita Vasconcelos
    • 1
  • Pedro Guerra
    • 1
  • Teresa Lopes da Silva
    • 1
  1. 1.Instituto Nacional de Engenharia, Tecnologia e Inovação (INETI), Departamento de BiotecnologiaUnidade de Bioengenharia e BioprocessosLisboaPortugal

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