Nasidi, Md and Agu, R. and Deeni, Y. and Walker, G.
(2013)
Fermentation of stalk juices from different Nigerian sorghum
cultivars to ethanol.
Bioethanol.
pp. 1-13.
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Abstract
For improved production of ethanol from sorghum stalk juice fermentation,
cultivation location and cultivar type are important factors to consider. In
the present study, SSV2 and KSV8 sorghum cultivars were cultivated
in Kano and Kaduna states in Nigeria that exhibit notably different rain
precipitation and diurnal temperatures. The crude stalk juices (without
pre-treatment or nutrient supplementation) were extracted from these
sorghum samples and fermented with a distiller’s strain of the yeast,
Saccharomyces cerevisiae. Sugar consumption and alcohol production
were determined by HPLC and GC-MS, respectively. When it was grown
in the Kaduna site, SSV2 was identified as the highest yielding sorghum
cultivar from which we extracted the maximum levels of extractable
sugars (161.50 g l-1 ) that yielded favourable ethanol levels of 80.56 g l-1
following fermentation. Our findings show that relatively colder and wetter
cultivation sites are preferred for sorghum stalk juice destined for bioethanol
production.
| Item Type: |
Article
|
| Additional Information: |
This work was graciously supported by funding from Petroleum
Technology Development Fund (PTDF), Nigeria. We would like
to thank Idris Giginyu (NIHORT, Nigeria), Heriot-Watt University
Edinburgh and Kerry Bioscience, Menstrie, Scotland. |
| Uncontrolled Keywords: |
Sorghum cultivars, Varied climate condition, Juice composition, Fermentation, performance, Bioethanol |
| Author Affiliation: |
School of Contemporary Sciences,
University of Abertay Dundee, Bell street,
Dundee, DD1 1HG, Scotland |
| Subjects: |
Postharvest Management |
| Divisions: |
Sorghum |
| Depositing User: |
Mr. SanatKumar Behera
|
| Date Deposited: |
31 Aug 2013 11:20 |
| Last Modified: |
31 Aug 2013 11:20 |
| Official URL: |
http://dx.doi.org/10.2478/bioeth-2013-0003 |
| URI: |
http://eprints.icrisat.ac.in/id/eprint/11614 |
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