Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 422142
Title Production of lutein-enriched microalgal biomass
Author(s) Mogedas, B.; Forján, E.; Cuaresma, M.; Garbayo, I.; Vega, J.M.; Vílchez, C.
Source New Biotechnology 25 (2009)Suppl.. - ISSN 1871-6784 - p. S297 - S297.
DOI http://dx.doi.org/10.1016/j.nbt.2009.06.677
Department(s) Bioprocess Engineering
VLAG
Publication type Abstract in scientific journal or proceedings
Publication year 2009
Abstract An integrated approach towards production of lutein-enriched biomass of Chlamydomonas acidophile, an extremophile microalga isolated by our group from Tinto river (Huelva, Spain) was carried out. That approach included determining optimal growth conditions, determining optimal lutein biosynthesis conditions and designing a continuous lutein-enriched biomass production process in a suitable, specifically designed, panel photobioreactor. Optimal growth of the extremophile microalga was found to occur at pH 2.5, 40 °C, 0.5 g l-1 Fe3+, 3 g l-1 sulphate and 5% CO2 in air as the only carbon source. These conditions allowed for obtaining a maximum chlorophyll content of about 300 mg l-1 in batch cultures and a maximum lutein content of about 10 g.kg-1 dry biomass, which is the highest lutein content published for a microalga ever. Lab pilot assays for lutein-enriched biomass production were performed in a 5 l panel photobioreactor of 1 m height × 0.4 m width, and 1.5 cm light path
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