Examination of indigenous microalgal species for maximal protein synthesis

Tan, Chung Hong and Show, Pau Loke and Lam, Man Kee and Fu, Xiaoting and Ling, Tau Chuan and Chen, Chun Yen and Chang, Jo-Shu (2020) Examination of indigenous microalgal species for maximal protein synthesis. Biochemical Engineering Journal, 154. p. 107425. ISSN 1369-703X, DOI https://doi.org/10.1016/j.bej.2019.107425.

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Official URL: https://doi.org/10.1016/j.bej.2019.107425

Abstract

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.

Item Type: Article
Funders: Fundamental Research Grant Scheme, Malaysia [ FRGS/1/2015/SG05/UNIM/03/1 ], Ministry of Science, Technology and Innovation, Malaysia [ MOSTI02-02-12-SF0256 ], Prototype Research Grant Scheme, Malaysia [ PRGS/2/2015/SG05/UNIM/03/1 ], Public-Private Research Network (PPRN) fund
Uncontrolled Keywords: Chlorella; CO2 concentration; Light intensity; Microalgal protein; Nitrate concentration
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
T Technology > TP Chemical technology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 16 Jun 2020 01:58
Last Modified: 16 Jun 2020 01:58
URI: http://eprints.um.edu.my/id/eprint/24839

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