We tested five different methods for disruption of
yeast cell wall before lipid extraction using the oleaginous strain QU21, selected after screening with Nile
Red. USGB and VGB showed the lowest values of oil
yield, with 7.3 and 3.7% of the dry biomass composed
by oil, while DB and LN showed similar values with
14.3 and 12.8% of oil yield (Table 1). The method showing the highest oil yield value was LNS with 26.5%
of oil yield, with significant difference compared with
any other method tested here. The lipid profile of strain
QU21 can be seen in Table 2.