Examination of indigenous microalgal species for maximal protein synthesis
The expanding aquaculture industry increases the prices of fishmeal, the main protein source in fish diet. A promising alternative is microalgal protein. Therefore, we investigated the protein production capacities of green microalgae Chlorella sorokiniana CY1 and Chlorella vulgaris ESP-31. After op...
| Main Authors: | Tan, C.H., Show, P.L., Lam, M.K., Fu, X., Ling, T.C., Chen, C.-Y., Chang, J.-S. |
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| Format: | Article |
| Institution: | Universiti Teknologi Petronas |
| Record Id / ISBN-0: | utp-eprints.23453 / |
| Published: |
Elsevier B.V.
2020
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| Online Access: |
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85074966787&doi=10.1016%2fj.bej.2019.107425&partnerID=40&md5=f8c799fc65f955c6c206db5805a9e15d http://eprints.utp.edu.my/23453/ |
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| Summary: |
The expanding aquaculture industry increases the prices of fishmeal, the main protein source in fish diet. A promising alternative is microalgal protein. Therefore, we investigated the protein production capacities of green microalgae Chlorella sorokiniana CY1 and Chlorella vulgaris ESP-31. After optimization, the maximum biomass and protein productivities of Chlorella sorokiniana CY1 reached high values of 4.35 ± 0.09 and 0.856 ± 0.025 g/L/d, while that of Chlorella vulgaris ESP-31 also reached high values of 4.636 ± 0.10 and 0.946 ± 0.065 g/L/d. The cultivation time for both species was only 2 days, wherein Chlorella sorokiniana CY1 and Chlorella vulgaris ESP-31 amassed moderate protein contents of 25.9 ± 1.3 and 26.8 ± 1.3. The optimum conditions for both species were 50 initial nitrate concentration of Basal medium, 5 CO2 aeration, and 750 μmol/m2/s light intensity. The high biomass and protein productivities of both species indicated their capability as potential protein sources. © 2019 Elsevier B.V. |
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