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Production of bioethanol from corn meal hydrolyzates

Authorized Users Only
2006
Authors
Mojović, Ljiljana
Nikolić, Svetlana
Rakin, Marica
Vukašinović-Sekulić, Maja
Article (Published version)
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Abstract
The two-step enzymatic hydrolysis of corn meal by commercially available a-amylase and glucoamylase and further ethanol fermentation of the obtained hydrolyzates by Saccharomyces cerevisiae yeast was studied. The conditions of starch hydrolysis such as substrate and enzyme concentration and the time required for enzymatic action were optimized taking into account both the effects of hydrolysis and ethanol fermentation. The corn meal hydrolyzates obtained were good substrates for ethanol fermentation by S. cerevisiae. The yield of ethanol of more than 80% (w/w) of the theoretical was achieved with a satisfactory volumetric productivity P (g/l h). No shortage of fermentable sugars was observed during simultaneous hydrolysis and fermentation. In this process, the savings in energy by carrying out the saccharification step at lower temperature (32 degrees C) could be realized, as well as a reduction of the process time for 4 h.
Keywords:
enzymatic starch hydrolysis / corn meal / corn starch / bioethanol
Source:
Fuel, 2006, 85, 12-13, 1750-1755
Publisher:
  • Elsevier Sci Ltd, Oxford

DOI: 10.1016/j.fuel.2006.01.018

ISSN: 0016-2361

WoS: 000238820000016

Scopus: 2-s2.0-33646495041
[ Google Scholar ]
124
102
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/901
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Mojović, Ljiljana
AU  - Nikolić, Svetlana
AU  - Rakin, Marica
AU  - Vukašinović-Sekulić, Maja
PY  - 2006
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/901
AB  - The two-step enzymatic hydrolysis of corn meal by commercially available a-amylase and glucoamylase and further ethanol fermentation of the obtained hydrolyzates by Saccharomyces cerevisiae yeast was studied. The conditions of starch hydrolysis such as substrate and enzyme concentration and the time required for enzymatic action were optimized taking into account both the effects of hydrolysis and ethanol fermentation. The corn meal hydrolyzates obtained were good substrates for ethanol fermentation by S. cerevisiae. The yield of ethanol of more than 80% (w/w) of the theoretical was achieved with a satisfactory volumetric productivity P (g/l h). No shortage of fermentable sugars was observed during simultaneous hydrolysis and fermentation. In this process, the savings in energy by carrying out the saccharification step at lower temperature (32 degrees C) could be realized, as well as a reduction of the process time for 4 h.
PB  - Elsevier Sci Ltd, Oxford
T2  - Fuel
T1  - Production of bioethanol from corn meal hydrolyzates
EP  - 1755
IS  - 12-13
SP  - 1750
VL  - 85
DO  - 10.1016/j.fuel.2006.01.018
ER  - 
@article{
author = "Mojović, Ljiljana and Nikolić, Svetlana and Rakin, Marica and Vukašinović-Sekulić, Maja",
year = "2006",
abstract = "The two-step enzymatic hydrolysis of corn meal by commercially available a-amylase and glucoamylase and further ethanol fermentation of the obtained hydrolyzates by Saccharomyces cerevisiae yeast was studied. The conditions of starch hydrolysis such as substrate and enzyme concentration and the time required for enzymatic action were optimized taking into account both the effects of hydrolysis and ethanol fermentation. The corn meal hydrolyzates obtained were good substrates for ethanol fermentation by S. cerevisiae. The yield of ethanol of more than 80% (w/w) of the theoretical was achieved with a satisfactory volumetric productivity P (g/l h). No shortage of fermentable sugars was observed during simultaneous hydrolysis and fermentation. In this process, the savings in energy by carrying out the saccharification step at lower temperature (32 degrees C) could be realized, as well as a reduction of the process time for 4 h.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Fuel",
title = "Production of bioethanol from corn meal hydrolyzates",
pages = "1755-1750",
number = "12-13",
volume = "85",
doi = "10.1016/j.fuel.2006.01.018"
}
Mojović, L., Nikolić, S., Rakin, M.,& Vukašinović-Sekulić, M.. (2006). Production of bioethanol from corn meal hydrolyzates. in Fuel
Elsevier Sci Ltd, Oxford., 85(12-13), 1750-1755.
https://doi.org/10.1016/j.fuel.2006.01.018
Mojović L, Nikolić S, Rakin M, Vukašinović-Sekulić M. Production of bioethanol from corn meal hydrolyzates. in Fuel. 2006;85(12-13):1750-1755.
doi:10.1016/j.fuel.2006.01.018 .
Mojović, Ljiljana, Nikolić, Svetlana, Rakin, Marica, Vukašinović-Sekulić, Maja, "Production of bioethanol from corn meal hydrolyzates" in Fuel, 85, no. 12-13 (2006):1750-1755,
https://doi.org/10.1016/j.fuel.2006.01.018 . .

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