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Hyper-accumulation of astaxanthin in a green algaHaematococcus pluvialis at elevated temperatures

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Summary

When a green algaHaematococcus pluvialis was cultivated at 30°C, astaxanthin production was 3-fold more increased than at 20°C. With acetate supplementation to 30°C culture, the alga synthesized over 2-fold more carotenoid than without addition. Tiron, a radical scavenger, however, severely blocked the stimulated carotenogenesis, suggesting that endogenously generated active oxygen was responsible for the highly stimulated carotenogenesis. From these results, possible roles of the elevated cultivation temperatures for hyperaccumulation of astaxanthin were discussed.

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Authors and Affiliations

  1. Department of Fermentation Technology, Faculty of Engineering, Hiroshima University, 724, Higashi-Hiroshima, Japan

    Agus Eko Tjahjono, Yachiyo Hayama, Toshihide Kakizono, Yoshio Terada, Naomichi Nishio & Shiro Nagai

Authors
  1. Agus Eko Tjahjono
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  2. Yachiyo Hayama
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  3. Toshihide Kakizono
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  4. Yoshio Terada
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  5. Naomichi Nishio
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  6. Shiro Nagai
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Tjahjono, A.E., Hayama, Y., Kakizono, T. et al. Hyper-accumulation of astaxanthin in a green algaHaematococcus pluvialis at elevated temperatures. Biotechnol Lett 16, 133–138 (1994). https://doi.org/10.1007/BF01021659

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  • DOI: https://doi.org/10.1007/BF01021659

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