Enhancement of Protein and Pigment Content in Two Chlorella Species Cultivated on Industrial Process Water
By H. Safafar, P. Nørregaard, A. Ljubic, P. Møller, S. L. Holdt, C. Jacobsen. 2016
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Chlorella pyrenoidosa and Chlorella vulgaris were cultivated in pre-gasified industrial process water with high concentration of ammonia representing effluent from a local biogas plant. The study aimed to investigate the effects of growth media and cultivation duration on the nutritional composition of biomass. Variations in proteins, lipid, fatty acid composition, amino acids, tocopherols, and pigments were studied. Both species grew well in industrial process water. The contents of proteins were affected significantly by the growth media and cultivation duration. Microalga Chlorella pyrenoidosa produced the highest concentrations of protein (65.2% ± 1.30% DW) while Chlorella vulgaris accumulated extremely high concentrations of lutein and chlorophylls (7.14 ± 0.66 mg/g DW and 32.4 ± 1.77 mg/g DW, respectively). Cultivation of Chlorella species in industrial process water is an environmentally friendly, sustainable bioremediation method with added value biomass production and resource valorization, since the resulting biomass also presented a good source of proteins, amino acids, and carotenoids for potential use in aquaculture feed industry.
Subfields: Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/cfd9449a04a1470e46c4908b16934e2b9c67b789
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Citations in the corpus
- Single Cell Protein—State-of-the-Art, Industrial Landscape and Patents 2001–2016 (2017, background): “…45 Waghmare et al., 2016 Chlorella sorokiana 46–65 Safafar et al., 2016 Chlorella spp. 62–68 Liu et al., 2013 Chlorella vulgaris 42–55 Li et al., 2013; Safafar et al., 2016 Euglena gracilis 50–70 Rodríguez-Zavala et al., 2010 Scenesdesmus obliquus 30–50 Duong et al., 2015; Apandi et al.,…”