Advances in Bioscience and Biotechnology

Volume 5, Issue 6 (May 2014)

ISSN Print: 2156-8456   ISSN Online: 2156-8502

Google-based Impact Factor: 1.18  Citations  h5-index & Ranking

Optimum Conditions for Bioethanol Production from Potato of Bangladesh

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DOI: 10.4236/abb.2014.56060    4,511 Downloads   6,932 Views  Citations

ABSTRACT

Bangladesh produces a huge amount of potatoes every year. This research was carried out to find the optimum conditions for bioethanol production from potato of Bangladesh. From this study, optimum growth of yeast (Saccharomyces cerevisiae CCD) was observed at pH 6.0 and temperature 31°C. Addition of a small amount of alpha-amylase enzyme to potato solution was found to enhance the potato starch degradation and made the fermentation process quicker. This study observed that 1750 unit alpha-amylase is enough to degrade the starch in 15% of 500 ml potato starch solution. From fermentation time study, 6-day incubation time was found to be enough to complete the fermentation process and optimum production of bioethanol form potato starch. Suitable concentration of potato in fermentation process was determined using five different potato solutions (5%, 10%, 15%, 20% and 30%). A highest production of bioethanol was found in  20% potato treatment. Therefore, 20% potato solution is recommended for high-scale production of bioethanol from potato starch.

Share and Cite:

Azad, A. , Yesmin, N. , Sarker, S. , Sattar, A. and Karim, R. (2014) Optimum Conditions for Bioethanol Production from Potato of Bangladesh. Advances in Bioscience and Biotechnology, 5, 501-507. doi: 10.4236/abb.2014.56060.

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