Pilot cultivation of the green alga Monoraphidium sp producing a high content of polyunsaturated fatty acids in a low-temperature environment
cold-adapted strain of Monoraphidium (Selenastraceae, Chlorophyta) isolated from an Antarctic ice-covered lake was tested for polyunsaturated fatty acids (PUFAs) production. The strain was successfully cultivated in an outdoor 150 L thin-layer photobioreactor under early winter conditions of Central...
| Published in: | Algal Research |
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| Main Authors: | , , , , |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
2017
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| Subjects: | |
| Online Access: | https://doi.org/10.1016/j.algal.2016.12.017 http://hdl.handle.net/11104/0271088 |
| Summary: | cold-adapted strain of Monoraphidium (Selenastraceae, Chlorophyta) isolated from an Antarctic ice-covered lake was tested for polyunsaturated fatty acids (PUFAs) production. The strain was successfully cultivated in an outdoor 150 L thin-layer photobioreactor under early winter conditions of Central Europe, where the average temperaturewas 10.0 degrees C and the average intensity of PAR 32 mu molm(-2) s(-1). The growth rate over the 22 days of the pilot cultivation reached a value of 0.341 day(-1) and lipid productivitywas 162 mgL(-1) day(-1). Theproportion of the 16: 4 and 18: 4 acidswas up to 19.1% and/or 34.7% of total fatty acids that resulted in a productivity of these acids of 27.5 and 43.7 mg L-1 day(-1), respectively, which is one order of magnitude higher than previously reported values. These characteristicsmake this strain a prospective candidate for low-temperature biotechnology. |
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