@article{Fasiku_Wakil_2022, title={SCREENING OF FACTORS RESPONSIBLE FOR CONVERSION OF MAIZE STRAW INTO BIOETHANOL: Bioethanol}, volume={12}, url={https://office2.jmbfs.org/index.php/JMBFS/article/view/5901}, DOI={10.55251/jmbfs.5901}, abstractNote={<p>Maize straw is a lignocellulosic waste that is annually added to the environment as pollutant because its accumulation constitutes a nuisance and in addition, its reducing sugar is not readily released. Pretreatment of maize straw makes its reducing sugar available for fermentation into bio-products such as bioethanol production under optimized conditions. This work aimed at determining the effect of different parameters on ethanol production by <em>Saccharomyces cerevisiae </em>from pretreated maize straw. Effects of pH, temperature, sugar concentration, nitrogen source, and inoculum load/sizes on ethanol yield of pretreated maize straw by <em>S</em>. <em>cerevisiae</em> SA01 and <em>S. cerevisiae</em> SA02 for optimum ethanol production were determined using standard methods. Ethanol content was estimated using a gravimetric method. The optimum ethanol production (1.97 g/L) was obtained at pH 5.5 while highest ethanol content (2.76 and 2.37 g/L) was at 30 °C by <em>S</em>. <em>cerevisiae</em> SA01 and <em>S. cerevisiae</em> SA02, respectively. The glucose concentration of 2 % supported the highest ethanol production (3.95 g/L) by <em>S</em>.<em> cerevisiae</em> SA02. Corn steep liquor was the best among the nitrogen sources used and increased the ethanol yield of <em>S</em>. <em>cerevisiae</em> SA01 and <em>S. cerevisiae</em> SA02 by 300 and 661 %, respectively. One percent of 1.0 MacFarland standard of both yeasts supported the highest ethanol production (14.99 g/L) from pretreated maize straw. Bio-conversion of maize straw to substrate for bioethanol production at optimized conditions will reduce environmental pollution, production cost and increase energy sources.</p>}, number={2}, journal={Journal of microbiology, biotechnology and food sciences}, author={Fasiku, Samuel Adedayo and Wakil, Sherifah Monilola}, year={2022}, month={Oct.}, pages={e5901} }