The amounts of lipids extracted
from L. starkeyicultured in OMW are reported inTable 6in
terms of lipid yield. The experimental data show that a 50%
dilution of OMW results in a significant increase in the concentration of lipids (28.6 against 22.4%), although a further increase
in wastewater dilution produces only a minimum improvement.
The fatty acids distribution in the lipids accumulated in the
L. starkeyigrown in OMW is described in theTable 7.The
composition indicates a clear prevalence of oleic acid, in agreement with results obtained using different oleaginous microorganisms (6, 35, 36). The total content of saturated fatty
acids is low enough to allow an excellent cold behavior of biodiesel, reducing its tendency of crystallization or gelling at low
temperatures.