10.5071/21STEUBCE2013-3CV.1.36
Steindl, D.
D.
Steindl
Krennhuber, K.
K.
Krennhuber
Jäger, A.
A.
Jäger
Kahr, H.
H.
Kahr
Lipid Production Capacity of Three Different Oleaginous Yeast Strains under Various Incubation Conditions
ETA-Florence Renewable Energies
2013
Conference paper
Biomass
2013
en
978-88-89407-53-0
2282-5819
4 Pages
application/pdf
Proceedings of the 21st European Biomass Conference and Exhibition, 3-7 June 2013, pp. 1488-1491
Three oleaginous yeast strains (R. glutinis, T. fermentans, Y. lipolytica) were compared to each other at various incubation conditions to determine the most promising strain and the associated growth conditions. Different pH values and molar carbon-to-nitrogen ratios in combination with varying glucose concentrations and the addition of nutrient salts were tested. Results show that Y. lipolytica is the most promising yeast among all tested strains. The highest lipid concentration was 6.99 g L-1 at a dry cell substance of 11.9 g L-1 after 8 days of incubation at a carbon-to-nitrogen ratio of 158 without nutrient salts. Generally, a high molar carbon-to-nitrogen ratio is more beneficial for lipid accumulation. The addition of nutrient salts is not crucial for effective lipid production and in some cases even counterproductive.
Proceedings of the 21st European Biomass Conference and Exhibition, 3-7 June 2013, Copenhagen, Denmark, pp. 1488-1491