Enhanced Light-Induced Biosynthesis of Fatty Acids Suitable for Biodiesel Production by the Yellow-Green Alga Eustigmatos magnus
Open accessAbstract
Optimization of the fatty acid profile in microalgae is one of the key strategies for obtaining valuable products and sustainable biofuels. Light intensity and light regimes exert an impact on the growth and metabolic process in microalgae. The objective of the present investigations was to assess the effect of light intensity and continuous light vs. photoperiod conditions on the growth and changes in the biomass composition in Eustigmatos magnus, with a focus on bioactive molecules such as lipids and fatty acids. The highest daily productivity of Eustigmatos magnus biomass and lipid yields were detected at continuous illumination and at the highest intensity of light. The results show that the content and composition of fatty acids was influenced by the culture conditions. The biomass of Eustigmatos magnus contained the highest concentrations of polyunsaturated fatty acids in the pphotoperiod conditions with the highest light intensity. This study shows that Eustigmatos magnus has a capacity for the accumulation of palmitoleic acid. A high intensity of continuous light improves the profile of fatty acids in Eustigmatos magnus, which can be suitable for biodiesel applications. At the high intensity of continuous light, Eustigmatos magnus lipids are characterized by high content of oleic acids and low content of saturated and monounsaturated acids.
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f/2 media and BG-11 differ by 20 times in the amount of nitrogen (-N).
“For example, f/2 media [130–132] and BG-11 [83, 133, 134] differ by 20 times in the amount of nitrogen (-N).”
From Nitrogen and phosphorus stress as a tool to induce lipid production in microalgae (2023) · cites this paper as [133]
Section 5.1 (page unavailable) says the study grew Eustigmatos magnus in BG 11 medium, but gives no nitrogen concentration or comparison with f/2 medium. Searches for f/2, BG-11 and nitrogen concentrations found no passage supporting the claimed 20-fold difference. (LLM, conf=0.76)
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Research works printed but not linked: 1
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Cited by
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Nitrogen and phosphorus stress as a tool to induce lipid production in microalgae
Maltsev, Y., Kulikovskiy, M., & Maltseva, S. (2023) · Microbial Cell Factories · doi:10.1186/s12934-023-02244-6 · Cited by 174 · see citing works
“For example, f/2 media [130–132] and BG-11 [83, 133, 134] differ by 20 times in the amount of nitrogen (-”
Background
- Authors
- Krzemińska, I., Nosalewicz, A., Reszczyńska, E., & Pawlik-Skowrońska, B.
- Affiliations
- Institute of Agrophysics, Polish Academy of Sciences (PL)
- Maria Curie-Skłodowska University (PL)
- Department of Hydrobiology and Protection of Ecosystems, University of Life Sciences in Lublin, Dobrzańskiego 37, 20-262 Lublin, Poland
- Corresponding author
- Krzemińska, Izabela
- Venue
- Energies
- Publisher
- MDPI AG
- Published
- 2020-11-21
- Volume
- 13
- Issue
- 22
- Pages
- 6098
- ISSN
- 1996-1073 (ISSN-L)
- OpenAlex
- W3103931618
- Cited by
- 17
- References
- 39
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 2 · 2023: 8 · 2022: 2 · 2021: 1
- FWCI
- 0.54
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Energies (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Science Centre, Poland (2016/23/D/NZ9/ 02670)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
- Keywords
- microalgae, fatty acid composition, biodiesel feedstock, light intensity, photoperiod, constant light, lipid accumulation, polyunsaturated fatty acids, palmitoleic acid, oleic acid, microalgal biomass
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