Presence of freeD-amino acids in microalgae

Takehiko Yokoyama, Nobuhiro Kan-No, Takehiko Ogata, Yuichi Kotaki, Minoru Sato, Eizoh Nagahisa

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


Several species of microalgae (phytoplankton), 4 species of freshwater algae and 4 species of marine diatoms, were cultured germ-free in the laboratory. The presence of freeD-amino acids was verified in these species by a reversed-phase HPLC analysis.D-Aspartate was detected in all the microalgae examined, butD-alanine was only present in the marine diatoms. TheD-amino acid content in Asterionella sp. of the marine diatoms increased from the exponential phase to the stationary phase and then decreased to the phase of decline.

Original languageEnglish
Pages (from-to)388-392
Number of pages5
JournalBioscience, Biotechnology and Biochemistry
Issue number2
Publication statusPublished - 2003 Jan 1


  • D-alanine
  • D-aspartate
  • Diatom
  • Microalga
  • Phytoplankton

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

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