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Carotenoid accumulation in Haematococcus pluvialis in mixotrophic growth

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URI: http://hdl.handle.net/2183/17141

Publication date

2001-03

Authors

Orosa García, Miguel
Franqueira, Dolores

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Bibliographic citation

Orosa, M., Franqueira, D., Cid, A. et al. Biotechnology Letters (2001) 23: 373. doi:10.1023/A:1005624005229

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Academic degree

Abstract

The microalga Haematococcus pluvialis was cultured with NaNO3 from 0 to 1 g l−1 and optimal growth was obtained at 0.15 g l−1. Sodium acetate and malonate (from 0 to 2% w/v) enhanced the accumulation of astaxanthin three and five times higher, respectively, than in autotrophic control cultures. However, high concentration of those compounds strongly inhibited growth. The ratio chlorophyll a/total carotenoids was a good indicator of the extent of nitrogen deficiency in the cells.

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Keywords

Astaxanthin Canthaxanthin Echinenone Haematococcus pluvialis Pigments Secondary carotenoids

Editor version

http://dx.doi.org/10.1023/A:1005624005229

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The final publication is available at Springer via http://dx.doi.org/10.1023/A:1005624005229

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Investigación (FCIE)