Separation of astaxanthin from red yeast Phaffia rhodozyma by supercritical carbon dioxide extraction

Gio Bin Lim, Sang Yun Lee, Eun Kyu Lee, Seungjoo Haam, Woo Sik Kim

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

The supercritical fluid extraction (SFE) behavior was investigated to extract astaxanthin from the red yeast Phaffia rhodozyma, which was disrupted and dried by bead mill and spray dryer, respectively. The effects of extraction pressure (102-500 bar), temperature (40, 60 and 80 °C), CO2 flow rate (superficial velocities of 0.27 and 0.54 cm/min) and the use of ethyl alcohol as a modifier (1, 5, 10, 15 vol.%) on the extraction efficiency were determined. The highest yield of carotenoids and astaxanthin with equal amounts of CO2 (50 g) was 84 and 90%, respectively, at 40 °C and 500 bar. Using a two-step pressure gradient operation, on changing the pressure from 300 to 500 bar, the concentration of astaxanthin in the second fraction at 500 bar increased by about 4 and 10 times at 40 and 60 °C, respectively, and the concentration of carotenoids increased by about 3.6 times at 40 °C and 13 times at 60 °C with the yield decreasing by about 40-50%.

Original languageEnglish
Pages (from-to)181-187
Number of pages7
JournalBiochemical Engineering Journal
Volume11
Issue number2-3
DOIs
Publication statusPublished - 2002 Sep 1

Fingerprint

Carbon Dioxide
Yeast
Carbon dioxide
Yeasts
Carotenoids
Pressure
Supercritical Fluid Chromatography
Supercritical fluids
Ethanol
Pressure gradient
Temperature
Flow rate
astaxanthine

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Environmental Engineering
  • Biomedical Engineering

Cite this

Lim, Gio Bin ; Lee, Sang Yun ; Lee, Eun Kyu ; Haam, Seungjoo ; Kim, Woo Sik. / Separation of astaxanthin from red yeast Phaffia rhodozyma by supercritical carbon dioxide extraction. In: Biochemical Engineering Journal. 2002 ; Vol. 11, No. 2-3. pp. 181-187.
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Separation of astaxanthin from red yeast Phaffia rhodozyma by supercritical carbon dioxide extraction. / Lim, Gio Bin; Lee, Sang Yun; Lee, Eun Kyu; Haam, Seungjoo; Kim, Woo Sik.

In: Biochemical Engineering Journal, Vol. 11, No. 2-3, 01.09.2002, p. 181-187.

Research output: Contribution to journalArticle

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