Lipids of filamentous fungi as a material for producing biodiesel fuel
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Species of various filamentous fungus taxa were tested for ability to produce lipids suitable as a material for manufacturing biodiesel. The mucoralean fungus Cunninghamella japonica was found to be a promising lipid producer. The inexpensive medium for its growth developed in this study contained ammonium nitrate as a nitrogen source. With its use, up to 16 g/l biomass and over 7 g/l lipids was obtained. The fungal lipids were dominated by oleic acid. It constituted 50% of total fatty acids. The iodine index of the lipid fraction was 86.61. The heat of combustion of the lipids, 37.13 MJ/kg, was close to the value for rapeseed oil.
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