3.4.4 Extracellular lipid production by mixed species culture
Table 11 shows the content of extracellular lipids extracted from fungal mycelia
growing on PDB and UDA+PDB during the exponential and stationary phase. The
extracellular lipid analysis was only performed in samples taken from the mixed species
culture that produced the highest content o f intracellular lipids, especially hydrocarbons.
The major classes of extracellular lipids produced were, hydrocarbons > triacylglycerol >
phospholipids > free fatty acids > acetone mobile polar lipids > sterols (Table 11). On
average, the amount o f total extracellular lipids was 13.8 mg, and it represented from 2.8
to 6.4% of that found intracellularly during both growth stages (Table 11).