Production of Lipids and Carotenoids in <i>Coccomyxa onubensis</i> Under Acidic Conditions in Raceway Ponds
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60162694%3AG42__%2F26%3A00566355" target="_blank" >RIV/60162694:G42__/26:00566355 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/2227-9717/13/12/4041" target="_blank" >https://www.mdpi.com/2227-9717/13/12/4041</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/pr13124041" target="_blank" >10.3390/pr13124041</a>
Alternative languages
Result language
angličtina
Original language name
Production of Lipids and Carotenoids in <i>Coccomyxa onubensis</i> Under Acidic Conditions in Raceway Ponds
Original language description
Coccomyxa onubensis (C. onubensis) belongs to the extensive genus Coccomyxa, which inhabits ecosystems with high metal concentrations, generally at acidic pH. In this study, the feasibility of cultivating the acidotolerant microalga C. onubensis in raceway open ponds was investigated. Specific attention was paid to the production of lipids and carotenoids. C. onubensis was cultivated outdoors, under non-sterile conditions, in three separate ponds that differed in their nutrient concentrations and aeration rates. The results show that C. onubensis was able to grow steadily and free of photosynthetic contaminants throughout the cultivation period. The low pH of the media prevented non-extremophilic competitors from proliferating, thus allowing for the selective growth of C. onubensis. The highest productivity values for the biomass and targeted compounds were obtained in the culture supplemented with twice the amount of nutrients and aeration rate. These significant maximum productivity values were 0.223 mg of carotenoids<middle dot>g-1<middle dot>d-1, 0.139 mg of chlorophylls<middle dot>g-1<middle dot>d-1, and 0.031 g of biomass<middle dot>L-1<middle dot>d-1. A significant maximum lipid production of 9.87% in the dry biomass was reached, of which 49.92% corresponded to polyunsaturated fatty acids (PUFAs). Overall, this manuscript demonstrates that the production of acidic-habitat microalgae in open systems can be advantageous for microalgae-based production of carotenoids and PUFAs, while avoiding contamination by photosynthetic competitors.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20400 - Chemical engineering
Result continuities
Project
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Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
PROCESSES
ISSN
2227-9717
e-ISSN
2227-9717
Volume of the periodical
13
Issue of the periodical within the volume
12
Country of publishing house
CH - SWITZERLAND
Number of pages
18
Pages from-to
4041
UT code for WoS article
001646572500001
EID of the result in the Scopus database
2-s2.0-105025984777