Abstract
<table class="NormalTable"><tbody><tr><td width="200"><span class="fontstyle0">One of the alternatives and renewable energy that is being developed is ethanol.<br />Ethanol is better known as Gasohol. Molasses can make Gasohol through the<br />synthesis of molasses fermentation using a yeast starter. This study aims to<br />analyze how the effect of the addition of baker's yeast, the length of fermentation<br />incubation time on the resulting alcohol content. In addition, the yield obtained<br />from the highest amount of ethanol production in the molasses fermentation<br />process. Ethanol production through fermentation synthesis using the help of<br />microorganisms Saccharomyces cerevisiae. Based on the objective review, the<br />variation used is the amount of baker's yeast, namely 0.1; 0.2; 0.3; 0.4; and 0.5%<br />glucose levels. The fermentation times were 24, 48, 72, 96, and 120 hours (T =<br />30?C and pH = 5). Based on these variations, the highest alcohol production<br />was 11%, obtained by adding 0.2% of yeast to the glucose content in the solution.<br />The incubation time is 72 hours. The yield obtained for the highest alcohol<br />content is 4.48%</span></td></tr></tbody></table>
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