The concept of using microbial lipid as the supplementary
sources of conventional oils and fats has often been
studied since the 1980s (Patnayak and Sree, 2005). Microorganisms
are considered as abundant sources of oils and
fats because their membranes and membranous structures
always contain lipids (Zhang et al., 2011). In addition,
eukaryotic microorganisms including fungi and yeast as well
as certain groups of prokaryotes such as Arthobacter sp.,
Rhodococcus sp.