Aquatic Sciences and Engineering

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DOI :10.26650/ASE20241303511   IUP :10.26650/ASE20241303511    Full Text (PDF)

Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae

Merve Sayar, Kamil Mert Eryalçın

This work is focused on investigating the nutrient compositions, growth, and fatty acid composition of Chlorella vulgaris, Euglena gracilis, Pavlova lutheri, and Diacronema vlkanium, which are natural diets of bivalve, crustaceans, live prey such as rotifer, copepods, daphnia and feed ingredients in aquaculture nutrition. Microalgae culture was performed in a live feed laboratory under controlled physical and chemical conditions. The initial concentration of microalgae species was adjusted as 2×106 cells/mL and growth performance was calculated by Neubauer Hemocytometer daily. The maximum growth performance was detected in Diacronema vlkanium culture with 1.78×107 cells/mL. In the case of proximate composition, the highest dry matter content was found in Pavlova lutheri (6.21%). Freshwater microalgae species Chlorella vulgaris (50.5%) and Euglena gracilis (42.5%) had high crude protein compared to Pavlova lutheri and Diacronema vlkanium. Fatty acid compositions of microalgae were also determined. The highest EPA (C20:5n-3) content was found in Pavlova lutheri (6.85%) whereas arachidonic acid (C20:4n-6) and docosahexaenoic acid (C22:6n-3) contents were only found with a level of (3.32%) and (1.79%) in Euglena gracilis, respectively. Microalgal culture should have high biomass in a short time of culture and in this study, E.gracilis and P.lutheri showed high growth and essential nutrients gain in laboratory scale production and this result could be applied in larger volume photobioreactor.

Keywords: Microalgae, growth, fatty acids, proximate, biomass

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APA

Sayar, M., & Eryalçın, K.M. (2023). Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae. Aquatic Sciences and Engineering, 39(1), 8-16. https://doi.org/10.26650/ASE20241303511


AMA

Sayar M, Eryalçın K M. Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae. Aquatic Sciences and Engineering. 2023;39(1):8-16. https://doi.org/10.26650/ASE20241303511


ABNT

Sayar, M.; Eryalçın, K.M. Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae. Aquatic Sciences and Engineering, [Publisher Location], v. 39, n. 1, p. 8-16, 2023.


Chicago: Author-Date Style

Sayar, Merve, and Kamil Mert Eryalçın. 2023. “Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae.” Aquatic Sciences and Engineering 39, no. 1: 8-16. https://doi.org/10.26650/ASE20241303511


Chicago: Humanities Style

Sayar, Merve, and Kamil Mert Eryalçın. “Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae.” Aquatic Sciences and Engineering 39, no. 1 (Nov. 2024): 8-16. https://doi.org/10.26650/ASE20241303511


Harvard: Australian Style

Sayar, M & Eryalçın, KM 2023, 'Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae', Aquatic Sciences and Engineering, vol. 39, no. 1, pp. 8-16, viewed 22 Nov. 2024, https://doi.org/10.26650/ASE20241303511


Harvard: Author-Date Style

Sayar, M. and Eryalçın, K.M. (2023) ‘Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae’, Aquatic Sciences and Engineering, 39(1), pp. 8-16. https://doi.org/10.26650/ASE20241303511 (22 Nov. 2024).


MLA

Sayar, Merve, and Kamil Mert Eryalçın. “Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae.” Aquatic Sciences and Engineering, vol. 39, no. 1, 2023, pp. 8-16. [Database Container], https://doi.org/10.26650/ASE20241303511


Vancouver

Sayar M, Eryalçın KM. Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae. Aquatic Sciences and Engineering [Internet]. 22 Nov. 2024 [cited 22 Nov. 2024];39(1):8-16. Available from: https://doi.org/10.26650/ASE20241303511 doi: 10.26650/ASE20241303511


ISNAD

Sayar, Merve - Eryalçın, KamilMert. “Investigation of Growth Performance, Proximate and Fatty Acid Composition of Freshwater (Euglena gracilis, Chlorella vulgaris) and Marine (Pavlova lutheri, Diacronema vlkanium) Microalgae”. Aquatic Sciences and Engineering 39/1 (Nov. 2024): 8-16. https://doi.org/10.26650/ASE20241303511



TIMELINE


Submitted27.05.2023
Accepted19.09.2023
Published Online13.11.2023

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