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Bioprospecting for oil producing microalgal strains: Evaluation of oil and biomass production for ten microalgal strains

Araujo, Glacio S. ; Matos, Leonardo J.B.L. ; Gonçalves, Luciana R.B. ; Fernandes, Fabiano A.N. ; Farias, Wladimir R.L.

Bioresource technology, 2011-04, Vol.102 (8), p.5248-5250 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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Título:
Bioprospecting for oil producing microalgal strains: Evaluation of oil and biomass production for ten microalgal strains
Autor: Araujo, Glacio S. ; Matos, Leonardo J.B.L. ; Gonçalves, Luciana R.B. ; Fernandes, Fabiano A.N. ; Farias, Wladimir R.L.
Assuntos: aeration ; Algae ; Biological and medical sciences ; Biomass ; biomass production ; Chaetoceros gracilis ; Chaetoceros mulleri ; Chlorella vulgaris ; Dunaliella ; Economics ; Extraction ; Fundamental and applied biological sciences. Psychology ; Glass ; Illumination ; industry ; Isochrysis ; lighting ; Lipid ; lipid content ; lipids ; Microalgae ; Microalgae - classification ; Microalgae - metabolism ; Nannochloropsis oculata ; Oil ; oils ; Oils - metabolism ; salinity ; Species Specificity ; Strain ; temperature ; Tetraselmis ; Tetraselmis chui ; Tetraselmis tetrathele ; Thalassiosira ; Thalassiosira weissflogii ; Ultrasonic testing ; ultrasonics
É parte de: Bioresource technology, 2011-04, Vol.102 (8), p.5248-5250
Notas: http://dx.doi.org/10.1016/j.biortech.2011.01.089
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Descrição: ► C. vulgaris and C. gracilis displayed the best suitability toward oil production. ► Tetraselmis sp., Isochrysis sp. andT. chui were unsuitable for oil production. ► Dunaliella sp. and T. weissflogii were unsuitable for large scale oil production. ► The salinity of the medium showed high influence on production of biomass and oil. ► The species Chaetoceros gracilis was not affected by salinity. Microalgae have the ability to grow rapidly, synthesize and accumulate large amounts (approximately 20–50% of dry weight) of lipids. A successful and economically viable algae based oil industry depends on the selection of appropriate algal strains. In this study ten species of microalgae were prospected to determine their suitability for oil production: Chaetoceros gracilis, Chaetoceros mulleri, Chlorella vulgaris, Dunaliella sp., Isochrysis sp., Nannochloropsis oculata, Tetraselmis sp., Tetraselmis chui, Tetraselmis tetrathele and Thalassiosira weissflogii. The study was carried out in 3L glass flasks subjected to constant aeration and controlled artificial illumination and temperature at two different salinities. After harvesting, the extraction of oil was carried out using the Bligh and Dyer method assisted by ultrasound. Results showed that C. gracilis presented the highest oil content and that C. vulgaris presented the highest oil production.
Editor: Kidlington: Elsevier Ltd
Idioma: Inglês

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Bioprospecting for oil producing microalgal strains: Evaluation of oil and biomass production for ten microalgal strains

Araujo, Glacio S. ; Matos, Leonardo J.B.L. ; Gonçalves, Luciana R.B. ; Fernandes, Fabiano A.N. ; Farias, Wladimir R.L.

Kidlington: Elsevier Ltd

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