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    Isolation of yeasts from raisins and Palm-juice and ethanol production in molasses medium

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    Date
    2016
    Publisher
    © 2016 Indian Society for Education and Environment
    Author
    Rahman, Shafkat Shamim
    Islam, Sarkar Mohammad Khairul
    Rafiqul, Islam Mohammad
    Khaled, Hossain
    Kamrun, Nahar
    Kumar, Roy Chapol
    Uddin, Md Ekhlas
    Choudhury, Naiyyum
    Metadata
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    URI
    http://hdl.handle.net/10361/7163
    Citation
    Shamim, R. S., Islam, S. M. K., Rafiqul, I. M., Khaled, H., Kamrun, N., Kumar, R. C., . . . Naiyyum, C. (2016). Isolation of yeasts from raisins and palm-juice and ethanol production in molasses medium. Indian Journal of Science and Technology, 9(12) doi:10.17485/ijst/2016/v9i12/85509
    Abstract
    The alternative fuels are expected to satisfy the progressive demand for energy on the wake of the negative effects of fossil fuel on the atmosphere and resultant universal warming. In this study two ethanol fermenting Saccharomyces cerevisae were isolated from Palm juice and Raisins. Method/Statistical Analysis: Both isolates were grown in Yeast extract Peptone Dextrose (YEPD) medium and characterized for alcoholic fermentation using molasses medium and optimized for pH, thermo-, osmo-, ethanol tolerance and sugar concentration. Findings: Results showed for ethanol fermentation, 31°C temperature, 6.01 pH and 6.50% sugar concentration is the prime condition. Raisin-isolate emerged as highly thermophilic and stress tolerant in nature. Under optimized conditions, S. cerevisae isolated from Palmjuice produced 9.85% of ethanol in the medium. Application/Improvements: Creation of ethanol through fermentation appears to be a potential other fossil fuel and can be used as exclusive fuel in vehicles with dedicated engines or in fuel blends.
    Keywords
    Ethanol; Molasses; Palm-juice; Raisins; YEPD
     
    Description
    This article was published in the Indian Journal of Science and Technology [© 2016 Indian Society for Education and Environment ] and the definite version is available at : http://doi.org/10.17485/ijst/2016/v9i12/85509 The Journal's website is at: http://www.indjst.org/index.php/indjst/article/view/85509
    Publisher Link
    http://www.indjst.org/index.php/indjst/article/view/85509
    DOI
    http://doi.org/10.17485/ijst/2016/v9i12/85509
    Department
    Department of Mathematics and Natural Sciences, BRAC University
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