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Utilization of Biodiesel-Derived Crude Glycerol by Fungi for Biomass and Lipid Production

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dc.contributor.advisor Nicol, Robert Marchand, Kimberly 2012-01-10T19:35:13Z 2012-01-10T19:35:13Z 2012-01 2011-12-21 2012-01-10
dc.description.abstract Rapid expansion of the biodiesel industry has led to a surplus of crude glycerol. This thesis investigates the ability of fungi to utilize crude glycerol as an alternative to conventional carbon substrates for growth and lipid production. Screening revealed that 40 of the 61 isolates tested had increased biomass yield, compared to glucose, when crude glycerol was utilized; 29 of these isolates possessed the ability to completely metabolize 14 g•L-1 of glycerol after 7-14 days. The top four candidates belonged to the genera Galactomyces and Mucor. Overall, Galactomyces sp. proved to be better suited for lipid production. In addition to producing biomass with a high lipid content (up to 45 % w/w), Galactomyces sp. also exhibited high biomass yields (up to 25 g•L-1). The results obtained in this study compare favourably, and in some cases exceed, other literature reported values for biomass and lipid production using glycerol. en_US
dc.description.sponsorship CanAdvance and Agriculture and Agri-Food Canada en_US
dc.language.iso en en_US
dc.subject Fungi en_US
dc.subject Bioconversion en_US
dc.subject Biodiesel en_US
dc.subject Lipid en_US
dc.subject Galactomyces en_US
dc.title Utilization of Biodiesel-Derived Crude Glycerol by Fungi for Biomass and Lipid Production en_US
dc.type Thesis en_US Land Resource Science en_US Master of Science en_US Department of Land Resource Science en_US
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