microorganisms involved; note that bacteria are the predominant
group of surfactant-producing organisms however
some yeast species are also involved. Bodour et al.
(2004) have recently described a new class of biosurfactants
named flavolipids produced by a soil isolated
Flavobacterium sp. The new surfactant showed strong
surface activity and emulsifying ability, and exhibits a polar
moiety that features citric acid.