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Bioprocess strategies for enhancing biomolecules productivity in Chlorella fusca LEB 111 using CO a carbon source.

08:00 EDT 12th September 2019 | BioPortfolio

Summary of "Bioprocess strategies for enhancing biomolecules productivity in Chlorella fusca LEB 111 using CO a carbon source."

The aim of this study was to evaluate the influence of different carbon dioxide (CO ) concentrations on the distribution of carbon forms in the culture medium and the biomass production and biomolecules productivity of the strain Chlorella fusca LEB 111. In this study, experiments were carried out in which C. fusca cultures were exposed to different CO concentrations, 0.03% (0.08 mL mL d ), 5% (0.18 mL mL d ) and 15% v v CO (0.54 mL mL d ). Among the carbon chemical species distributions in the culture medium, bicarbonate was predominant (94.2 - 98.9%), with the highest quantitative percentage in the experiment receiving a 15% CO injection. C. fusca LEB 111 cultivated with 15% CO showed the highest biomass productivity (194.3 mg L d ) and CO fixation rate (390.9 mg L d ). The carbohydrate productivity in the culture that received 15% CO was 46.2% higher than the value verified for the culture with the addition of CO from the air (0.03% CO ). In addition, CO concentration providing increases of 0.03 to 15% to C. fusca cultures resulted in a 31.6% increase in the lipid productivity. These results showed that C. fusca can be used for CO bioconversion and for producing biomass with potential applications for biofuels and bioproducts. This article is protected by copyright. All rights reserved.

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This article was published in the following journal.

Name: Biotechnology progress
ISSN: 1520-6033
Pages: e2909

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