Astaxanthin production by Phaffia rhodozyma and Haematococcus pluvialis: a comparative study

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dc.contributor.authorDominguez-Bocanegra, A.R.
dc.contributor.authorPonce-Noyola, T.
dc.contributor.authorTorres-Munoz, J.A.
dc.date.accessioned2014-04-09T09:17:07Z
dc.date.available2014-04-09T09:17:07Z
dc.date.issued2007
dc.description.abstractPhaffia rhodozyma (now Xanthophyllomyces dendrorhous) and Haematococcus pluvialis are known as the major prominent microorganisms able to synthesize astaxanthin natural pigment. Important research efforts have been made to determine optimal conditions for astaxanthin synthesis. When the focus is on astaxanthin production, the maximal reported value of 9.2 mg/g cell is obtained within H. pluvialis grown on BAR medium, under continuous illumination (345 μmol photon m−2 s−1) and without aeration. Whereas fermentation by mutated R1 yeast grown on coconut milk produced 1,850 μg/g yeast. However, when looking at astaxanthin productivity, the picture is slightly different. The figures obtained with P. rhodozyma are rather similar to those of H. pluvialis. Maximal reported values are 170 μg/g yeast per day with a wild yeast strain and 370 μg/g yeast per day with mutated R1 yeast. In the case of H. pluvialis, maximal values ranged from 290 to 428 μg/g cell per day depending on the media (BG-11 or BAR), light intensity (177 μmol photon m−2 s−1), aeration, etc. The main aim of this work was to examine how astaxanthin synthesis, by P. rhodozyma and H. pluvialis, could be compared. The study is based on previous works by the authors where pigment productions have been reported.en_US
dc.identifier.citationAppl Microbiol Biotechnol (2007) 75:783–791en_US
dc.identifier.urihttp://hdl.handle.net/123456789/321
dc.language.isoenen_US
dc.subjectHaematococcus pluvialisen_US
dc.subjectPhaffia rhodozyma
dc.subjectAstaxanthin
dc.titleAstaxanthin production by Phaffia rhodozyma and Haematococcus pluvialis: a comparative studyen_US
dc.typeArticleen_US

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