Molasses, the by-product of sugar industry, is mainly
used as animal feed as well as substrate for baker’s yeast
and ethanol production. Apart from providing a solution
to the environmental issue arising from the disposal of
molasses, fuel ethanol production can also help stabilizing
the agricultural sector in the sugar producing countries
(Thomas and Kwong, 2001; Wang, 1999). Due to the oil crisis
the last 30 years, research conducted in the scientiWc area
of alcoholic fermentation, has been focusing mainly on the
increase of ethanol productivity of bioprocesses and reduction
of energy demands. Fermentation of molasses continues
to pay as regards ethanol productivity (Takeshige and