International Journal of Biotech
Trends and Technology

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Volume 5 | Issue 4 | Year 2015 | Article Id. IJBTT-V13P604 | DOI : https://doi.org/10.14445/22490183/IJBTT-V13P604

Studies on Development of High Yielding Ethanol and Temperature Resistance Strain of Saccharomyces cerevisiae

Biswanath Biswas, A.K. Banik and Asit Baran Biswas

Citation :

Biswanath Biswas, A.K. Banik and Asit Baran Biswas, "Studies on Development of High Yielding Ethanol and Temperature Resistance Strain of Saccharomyces cerevisiae," International Journal of Computer Trends and Technology (IJCTT), vol. 5, no. 4, pp. 20-24, 2015. Crossref, https://doi.org/10.14445/22490183/IJBTT-V13P604

Abstract

Saccharomyces cerevisiae AB, an ethanol producing strain (3.0 %) was treated with 10%, 15% and 20% ethanol for 30, 60,120 and 180 minute. Only 5.5% colonies isolated by 30 minute. Incubation in 10% ethanol gave higher alcohol production (5.4%) than the parent strain. This strain when incubated in 15% ethanol for 60 minute, then only 4.5% alcohol resistant strains gave higher alcohol production (6.3%). The parent strain on farther exposure to 20% ethanol, there was decreases in alcohol production. Saccharomyces cerevisiae AB 810 an ethanol production strain (6.3%) was incubated at 35 0C, 40 0C and 45 0c temperature for 6, 12, 18 and 24 hours. Only 18% colonies isolated by 24 hour incubation at 350C temperature which gave highest ethanol production (6.5%). On further exposure at 45 0C temperature, all the resistant strains were killed, so there was no alcohol production.

Keywords

Saccharomyces cerevisiae, alcohol resistant and temperature resistant, ethanol production.

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