Enhanced astaxanthin production from microalga, Haematococcus pluvialis by two-stage perfusion culture with stepwise light irradiation

Joon C hul Park, Seung P hill Choi, Min Eui Hong, Sang Jun Sim

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

For efficient astaxanthin production from the culture of green microalga, Haematococcus pluvialis, a two-stage mixotrophic culture system was established with stepwise increased light irradiance. By perfusion process, high density biomass (2.47 g/L) was achieved during the vegetative stage due to no detrimental effect of inhibitory metabolites, which was 3.09 and 1.67 times higher than batch and fed-batch processes, respectively. During the induction stage, biomass and astaxanthin were subsequently produced to the very high level 12.3 g/L and 602 mg/L, under stepwise increased light irradiance (150-450 μE/m(2)/s), respectively. These results indicate that the combinatorial approach of perfusion culture during the vegetative stage and stepwise light irradiation during the induction stage is a promising strategy for the simultaneous production of high concentration of biomass and astaxanthin in microalgae including H. pluvialis.

Original languageEnglish
Pages (from-to)2039-2047
Number of pages9
JournalBioprocess and Biosystems Engineering
Volume37
Issue number10
DOIs
Publication statusPublished - 2014 Oct 1

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Biomass
Perfusion
Irradiation
Light
Microalgae
Metabolites
astaxanthine

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Enhanced astaxanthin production from microalga, Haematococcus pluvialis by two-stage perfusion culture with stepwise light irradiation. / Park, Joon C hul; Choi, Seung P hill; Hong, Min Eui; Sim, Sang Jun.

In: Bioprocess and Biosystems Engineering, Vol. 37, No. 10, 01.10.2014, p. 2039-2047.

Research output: Contribution to journalArticle

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