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Microalgae for use in tropical aquaculture I: Gross chemical and fatty acid composition of twelve species of microalgae from the Northern Territory, Australia

Renaud, Susan M., Parry, David L. and Luong-Van, Jim T. (1994). Microalgae for use in tropical aquaculture I: Gross chemical and fatty acid composition of twelve species of microalgae from the Northern Territory, Australia. Journal of Applied Phycology,6(3):337-345.

Document type: Journal Article
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Title Microalgae for use in tropical aquaculture I: Gross chemical and fatty acid composition of twelve species of microalgae from the Northern Territory, Australia
Author Renaud, Susan M.
Parry, David L.
Luong-Van, Jim T.
Journal Name Journal of Applied Phycology
Publication Date 1994
Volume Number 6
Issue Number 3
ISSN 0921-8971   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0028086897
Start Page 337
End Page 345
Total Pages 9
Place of Publication Netherlands
Publisher Springer Netherlands
Field of Research BIOLOGICAL SCIENCES
Abstract Twelve species of microalgae, isolated from north Australian marine, freshwater and hypersaline environments, were grown under controlled conditions of temperature, pH, photon flux density and salinity, and analysed for ash, total protein, water soluble carbohydrates, chlorophylla, total lipids, total fatty acids and fatty acid composition. Highest levels of the polyunsaturated fatty acid eicosapentaenoic acid [20:5(n-3)] were found in the marine diatoms.Nitzschia (frustulum) andN. closterium (23.1% and 15.2% of total fatty acids, respectively). None of the species studied had levels of docosahexaenoic acid [22:6(n-3)] greater than 1.1 % of total fatty acids. None of the chlorophyte species contained significant levels of either 20:5(n-3) or 22:6(n-3). The highest total fatty acid concentration of all species in the study was found in the freshwater chlorophyte speciesScenedesmus dimorphus (105 mg g−1 dry wt). The hypersaline speciesDunaliella salina had the highest total lipid content (28.1% dry wt), followed byN. closterium, N. (frustulum) andNavicula sp. (24.2–27.8% dry wt).Chlamydomonas sp. had the highest protein content (66.9% dry wt).N. (frustulum) was highlighted as a possible useful source of lipids and polyunsaturated fatty acids in mixed microalgal diets for mariculture organisms used in tropical aquaculture.
Keywords Microalgae
Gross chemical composition
Fatty acids
Tropical aquaculture
DOI http://dx.doi.org/10.1007/BF02181948   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Fri, 29 Aug 2014, 20:23:48 CST by Anthony Hornby