Published 2007

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Publication details

Journal : Aquaculture International , vol. 15 , p. 1–9–9 , 2007

Publisher : Springer

International Standard Numbers :
Printed : 0967-6120
Electronic : 1573-143X

Publication type : Academic article

Contributors : Patil, Vishwanath; Källqvist, Torsten; Olsen, Elisabeth; Vogt, Gjermund; Gislerød, Hans Ragnar

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Kjetil Aune
Chief Librarian


Twelve algal strains representing the classes Cyanophyceae, Prymnesiophyceae, Bacillariophyceae, Rhodophyceae, Cryptophyceae, Chlorophyceae, Xantophyceae and Eustigmatophyceae were selected mainly from the culture collection of the Norwegian Institute for Water Research (NIVA). The algae were grown as continuous cultures in a 1.8 l. reactor, internally illuminated with an 11 W fluorescent tube. The retention time was adjusted in the range 2-4 days to fit the growth rate of the algae. The growth responses and fatty acid composition were analysed. The maximum production rate was obtained with Pseudokirchneriella subcapitata (0.63 g 1(-1)day(-1)) and the lowest with Porphyridium cruentum 0.13 g 1(-1)day(-1). Arachidonic acid (AA) and eicosapentaenoic acid (EPA) were the dominating polyunsaturated fatty acids (PUFAs) in P. cruentum, while only EPA accumulated in Phaeodactylum tricornutum. Docosahexaenoic acid (DHA) was the major PUFA in Isochrysis galbana, while Pavlova sp. had both EPA and DHA. This is the first report on the fatty acid profiles of Nannochloropsis oceanica, Chroococcus sp., Synechococcus sp. and Tribonema sp.