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Towards the commercialization of Botryococcus braunii for triterpenoid production

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Journal of Industrial Microbiology & Biotechnology

Abstract

Botryococcus braunii can accumulate unusually high levels of triterpenoid hydrocarbons making it a potential source of high value chemicals. However, its commercial application is hampered by its slow growth and lack of large-scale studies of triterpenoid hydrocarbon production. This study investigated hydrocarbon production in two race B of B. braunii strains, Overjuyo-3 and Kossou-4, at 25 °C in 500 L open tanks under artificial lighting in modified BG11 medium over 60 days. Maximum growth was reached by 40 days with Overjuyo-3 producing more biomass (3.05 g L−1) than Kossou-4 (2.55 g L−1). However, Kossou-4 produced more oil (0.75 g L−1) and triterpenoid hydrocarbons (C30–C34; 50 % of oil weight) compared to 0.63 g L−1 of oil in Overjuyo-3 with triterpenoid hydrocarbons making up 29 % of oil weight. This research demonstrates for the first time that large-scale production of high value triterpenoid hydrocarbon for commercial application is feasible with Kossou-4 strain.

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Acknowledgments

The author is grateful to the University of Taif and the Government of Saudi Arabia for the provision of a PhD scholarship.

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Correspondence to Andrew S. Ball.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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The authors declare that they have no competing interests exist.

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Al-Hothaly, K.A., Adetutu, E.M., May, B.H. et al. Towards the commercialization of Botryococcus braunii for triterpenoid production. J Ind Microbiol Biotechnol 42, 1415–1418 (2015). https://doi.org/10.1007/s10295-015-1658-x

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  • DOI: https://doi.org/10.1007/s10295-015-1658-x

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