Production of Lipids and Carotenoids in Coccomyxa onubensis Under Acidic Conditions in Raceway Ponds

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F26%3A0201734" target="_blank" >RIV/00216305:26310/26:0201734 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.3390/pr13124041" target="_blank" >https://doi.org/10.3390/pr13124041</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/pr13124041" target="_blank" >10.3390/pr13124041</a>

Result language

angličtina

Original language name

Production of Lipids and Carotenoids in Coccomyxa onubensis 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 carotenoidsg-1d-1, 0.139 mg of chlorophyllsg-1d-1, and 0.031 g of biomassL-1d-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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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20401 - Chemical engineering (plants, products)

Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Processes

ISSN

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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

1-18

UT code for WoS article

001646572500001

EID of the result in the Scopus database

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