The production potential of eicosapentaenoic and arachidonic acids by the red alga Porphyridium cruentum

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Abstract

The red microalga Porphyridium cruentum is a new source for eicosapentanoic acid (EPA) and arachidonic acid (AA) fatty acids of potential pharmaceutical value. The conditions leading to a high content of either fatty acid were investigated. The highest EPA content was obtained under conditions resulting in high growth rate (2.4% of ash free dry weight in Strain 1380-1d). High AA content was obtained under slow growth conditions and was maximal in th stationary phase or under nitrogen starvation (2.9%). Strain 1380-la had the highest content (1.9%) of arachidonic acid under exponential growth conditions. By imposing nitrogen starvation, it was possible to obtain a lipid mixture which may be separated into AA and EPA rich fractions.

Original languageEnglish
Pages (from-to)916-920
Number of pages5
JournalJournal of Oil & Fat Industries
Volume67
Issue number12
DOIs
StatePublished - 1 Dec 1990

Keywords

  • Arachidonic acid
  • PUFA
  • Porphyridium
  • eicosapentaenoic acid
  • fatty acids
  • lipids
  • microalga

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