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Growth aspects of the marine microalga Nannochloropsis gaditana by Jorge M.S. Rocha; Juan E.C. Garcia; Marta H.F. Henriques is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Growth aspects of the marine microalga Nannochloropsis gaditana about?

Nannochloropsis is well appreciated in aquaculture due to its nutritional value and the ability to produce valuable chemical compounds, such as pigments (zeaxanthin, astaxanthin...) and polyunsaturated fatty acids (EPA). Commercial exploitation needs high cell densities but the low growth rate and the small size of cells are practical difficulties. To increase biomass concentration the positive effect of several factors was evident: (i) pH approximately 8 control (with dilute Tris-HCl buffer); (ii) the continuous illumination (no evidence of photo-inhibition was observed); (iii) a quite large temperature range (25+/-5 degrees C); (iv) the presence of organic carbon source (with the danger of contamination); (v) the presence of urea as an additional nitrogen source (10 mM); (vi) a small air flow rate with large bubbles can be more efficient for CO(2) mass transfer (associated to reduced shearing).

Who reads Growth aspects of the marine microalga Nannochloropsis gaditana?

Author

Jorge M.S. Rocha; Juan E.C. Garcia; Marta H.F. Henriques

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1389-0344)

Published

2003

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Physical Sciences)