Impact of light quality on biomass production and fatty acid content in the microalga Chlorella vulgaris
Abstract
In this study, the green microalga Chlorella vulgaris was exposed to monochromatic light at six different wavelengths in order to study the effect on biomass productivity and fatty acid content. A significantly higher amount of biomass by produced in the treatments with yellow, red and white light compared with blue, green and purple light. There were also significant differences in total lipid content and fatty acid profile between the treatments. The green light regime gave the lowest concentration of lipids, but increased the concentration of polyunsaturated fatty acids. Thus it can be concluded that light quality significantly affects biomass productivity, total lipid concentration and fatty acid profile in the microalga C. vulgaris.
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Certain microalgae have demonstrated sensitivity to green light, resulting in either a substantial inhibition or promotion of lipid accumulation.
“Nevertheless, it is worth noting that certain microalgae have demonstrated sensitivity to green light, resulting in either a substantial inhibition or promotion of lipid accumulation [147, 148].”
From Microalgae biofuels: illuminating the path to a sustainable future amidst challenges and opportunities (2024) · cites this paper as [147]
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- Authors
- Hultberg, M., Jönsson, H. L., Bergstrand, K.-J., & Carlsson, A. S.
- Affiliations
- Swedish University of Agricultural Sciences, Alnarp (SE)
- Corresponding author
- Hultberg, Malin
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2014-05
- Volume
- 159
- Pages
- 465-467
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W1967636196
- Cited by
- 101
- References
- 17
- Citations by year
- 2026: 4 · 2025: 4 · 2024: 7 · 2023: 9 · 2022: 11 · 2021: 10 · 2020: 15 · 2019: 10 · 2018: 13 · 2017: 8 · 2016: 4 · 2015: 5 · 2014: 1
- FWCI
- 1.98
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ångpanneföreningen’s Foundation for Research and Development
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
- Keywords
- Chlorella vulgaris, light quality, monochromatic light, light wavelength, microalgae cultivation, fatty acid composition, lipid content, polyunsaturated fatty acids, microalgae oil
- MeSH terms
- Fatty Acids, Light, Biomass, Chlorella vulgaris, Microalgae
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