Production, characterization, and antioxidant activity of fucoxanthin from the marine diatom odontella aurita

Song Xia, Ke Wang, Linglin Wan, Aifen Li, Qiang Hu, Chengwu Zhang

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

The production, characterization, and antioxidant capacity of the carotenoid fucoxanthin from the marine diatom Odontella aurita were investigated. The results showed that low light and nitrogen-replete culture medium enhanced the biosynthesis of fucoxanthin. The maximum biomass concentration of 6.36 g L-1 and maximum fucoxanthin concentration of 18.47 mg g-1 were obtained in cultures grown in a bubble column photobioreactor (Ø 3.0 cm inner diameter), resulting in a fucoxanthin volumetric productivity of 7.96 mg L-1 day-1. A slight reduction in biomass production was observed in the scaling up of O. aurita culture in a flat plate photobioreactor, yet yielded a comparable fucoxanthin volumetric productivity. A rapid method was developed for extraction and purification of fucoxanthin. The purified fucoxanthin was identified as all-trans-fucoxanthin, which exhibited strong antioxidant properties, with the effective concentration for 50% scavenging (EC50) of 1,1-dihpenyl-2- picrylhydrazyl (DPPH) radical and 2,2′-Azino-bis(3-ethylbenzthiazoline-6- sulfonic acid (ABTS) radical being 0.14 and 0.03 mg mL-1, respectively. Our results suggested that O. aurita can be a natural source of fucoxanthin for human health and nutrition.

Original languageEnglish (US)
Pages (from-to)2667-2681
Number of pages15
JournalMarine Drugs
Volume11
Issue number7
DOIs
StatePublished - Jul 2013

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Diatoms
Antioxidants
Photobioreactors
Biomass
fucoxanthin
Sulfonic Acids
Carotenoids
Culture Media
Nitrogen
Light

Keywords

  • Antioxidant
  • Fucoxanthin
  • Microalgae
  • Odontella aurita
  • Photobioreactor

ASJC Scopus subject areas

  • Drug Discovery

Cite this

Production, characterization, and antioxidant activity of fucoxanthin from the marine diatom odontella aurita. / Xia, Song; Wang, Ke; Wan, Linglin; Li, Aifen; Hu, Qiang; Zhang, Chengwu.

In: Marine Drugs, Vol. 11, No. 7, 07.2013, p. 2667-2681.

Research output: Contribution to journalArticle

Xia, Song ; Wang, Ke ; Wan, Linglin ; Li, Aifen ; Hu, Qiang ; Zhang, Chengwu. / Production, characterization, and antioxidant activity of fucoxanthin from the marine diatom odontella aurita. In: Marine Drugs. 2013 ; Vol. 11, No. 7. pp. 2667-2681.
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