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Production of lipids by Chaetoceros affinis in media based on palm oil mill effluent

Karthick Murugan, Palanisamy and Primilla, Paramasivam and Gaanty Pragas, Maniam and Mohd Hasbi, Ab. Rahim and Natanamurugaraj, Govindan and Chisti, Yusuf (2021) Production of lipids by Chaetoceros affinis in media based on palm oil mill effluent. Journal of Biotechnology, 327. pp. 86-96. ISSN 0168-1656

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Biomass and lipid production by the marine diatom Chaetoceros affinis were characterized under continuous light with aeration. Media based on palm oil mill effluent (POME; 10, 20 and 30 % v/v in distilled water) were used together with a standard control medium. The maximum biomass concentration on day 12 of batch cultures in control medium was 821 ± 71 mg L–1. Under identical conditions, in the best POME medium (20 % POME v/v in distilled water with other inorganic components), the biomass concentration was reduced by ∼11 % to 734 ± 66 mg L–1. The lipid content of the biomass grown in the control medium was 50.8 ± 4.5 % by dry weight, but was a little lower (48.9 ± 4.1 % by dry wt) in the above specified best POME medium. In the best POME medium, oleic acid was the major fatty acid (72.3 ± 5.2 % by weight) in the total lipids extracted from the biomass and monounsaturated fatty acids were the main type of fatty acids (74.6 ± 5.2 %). POME levels of >20 % in the medium suppressed both biomass and lipid production relative to the medium with 20 % POME.

Item Type: Article
Uncontrolled Keywords: Chaetoceros affinis; Palm oil mill effluent; Lipid production; Algal lipids; Diatom lipids
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Industrial Sciences And Technology
Institute of Postgraduate Studies
Centre of Excellence: Earth Resources & Sustainability Centre (ERAS)
Depositing User: Noorul Farina Arifin
Date Deposited: 09 Feb 2021 08:18
Last Modified: 09 Feb 2021 08:18
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