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Ethanol Production by Fermentation of Various Sweet-Stalk Sorghum Juices Using Various Yeast Strains

Indonesian Journal of Biotechnology · Vol. 15 No. 2 (2010)

DOI
10.22146/ijbiotech.7824
ISSN
2089-2241, 0853-8654
Terbit
2010-12-06
Penerbit
Universitas Gadjah Mada
Bahasa
eng

Abstrak

The ethanol production by fermentation of sweet-stalk sorghum juice is affected by the juice composition and the capability of the yeast strain to ferment it. Eight yeast strains were tested on their growth and ethanol fermentation abilities in sweet-stalk sorghum juices extracted from three cultivars of sweet sorghum. The best specific growth rate of the yeast strains grown aerobically in the yeast extract peptone dextrose (YEPD) broth and the sweet-stalk sorghum juices of KCS105, FS501, and FS902 cultivars, were achieved by OUT7903, OUT7913, OUT7903, and OUT7027 yeast strains, respectively. However, the best specific CO2 evolution rate of the yeast strain during fermentation of the juices was achieved by OUT7027 yeast strains. The highest ethanol concentration, ethanol yield, and sugar conversion efficiency (SCE) were obtained by strain OUT7921 when it was employed to ferment sweet-stem sorghum juice of FS902 cultivar. It was also observed that the juice extracted from sweet-stalk sorghum of FS902 cultivar is the most suitable medium for all yeast strains to achieve their best fermentation abilities. Thus, it is likely that the growth and ethanol production ability of a yeast strain in sweet-stalk sorghum juice depend on the physiological responses of the yeasts to nutrientcomposition of the sorghum juice and the sorghum cultivar from which the juice was extracted.Key words: Sweet-stalk sorghum juice, ethanol, fermentation, yeast

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  • Universitas Gadjah Mada
  • Diponegoro University
  • Sebelas Maret University
  • Lampung University
  • Ministry of Marine Affairs and Fisheries
  • IPB University
  • National Research and Innovation Agency
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  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Jaka WidadaUniversitas Gadjah Mada5
Chusnul HidayatUniversitas Gadjah Mada4
J. JasmanUniversitas Gadjah Mada4
Muhammad Saifur RohmanUniversitas Gadjah Mada4
Siti KabirunUniversitas Gadjah Mada3
Sri WedhastriUniversitas Gadjah Mada3
Yekti Asih PurwestriUniversitas Gadjah Mada2
Rusdi EvizalLampung University2
Dinar Mindrati FardhaniUniversitas Gadjah Mada2
Siti Lusi Arum SariSebelas Maret University1
Triyanto TriyantoUniversitas Gadjah Mada1
Zuprizal ZuprizalUniversitas Gadjah Mada1
Hermin Pancasakti KusumaningrumDiponegoro University1
Endang KusdiyantiniDiponegoro University1
Joedoro SudarsonoUniversitas Gadjah Mada1
Yukio MukaiAfiliasi tidak diketahui1
Kenji IrieAfiliasi tidak diketahui1
Hiroyuki ArakiAfiliasi tidak diketahui1
Yasuji OshimaAfiliasi tidak diketahui1
Lucia Dhiantika WitasariUniversitas Gadjah Mada1
Dionysius Andang Arif WibawaUniversitas Gadjah Mada1
Pintaka KusumaningtyasUniversitas Gadjah Mada1
Dhani SuryawanUniversitas Gadjah Mada1
Yuliana PrahastiwiUniversitas Gadjah Mada1
Erni MartaniUniversitas Gadjah Mada1
Endang PamulatsihUniversitas Gadjah Mada1
Yudi KusnadiMinistry of Marine Affairs and Fisheries1
Yohanna Anisa IndriyaniIPB University1
Heri HendrosatriyoUniversitas Gadjah Mada1
Ayu Ashari AchmadUniversitas Gadjah Mada1
Tri Rini NuringtyasUniversitas Gadjah Mada1
Charlie Ester de FretesNational Research and Innovation Agency1
Sebastian MarginoUniversitas Gadjah Mada1
Adinda Fitri SalsabilaUniversitas Gadjah Mada1
Abidah TauchidUniversitas Gadjah Mada1
Yuni SineUniversitas Gadjah Mada1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ugm.ac.id/ijbiotech/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Ethanol Production by Fermentation of Various Sweet-Stalk Sorghum Juices Using Various Yeast Strains</dc:title>
	<dc:creator>Widianto, Donny</dc:creator>
	<dc:creator>Arofatullah, Akbar</dc:creator>
	<dc:creator>Yuwono, Triwibowo</dc:creator>
	<dc:creator>Prijambada, Irfan Dwidya</dc:creator>
	<dc:description xml:lang="en-US">The ethanol production by fermentation of sweet-stalk sorghum juice is affected by the juice composition and the capability of the yeast strain to ferment it. Eight yeast strains were tested on their growth and ethanol fermentation abilities in sweet-stalk sorghum juices extracted from three cultivars of sweet sorghum. The best specific growth rate of the yeast strains grown aerobically in the yeast extract peptone dextrose (YEPD) broth and the sweet-stalk sorghum juices of KCS105, FS501, and FS902 cultivars, were achieved by OUT7903, OUT7913, OUT7903, and OUT7027 yeast strains, respectively. However, the best specific CO2 evolution rate of the yeast strain during fermentation of the juices was achieved by OUT7027 yeast strains. The highest ethanol concentration, ethanol yield, and sugar conversion efficiency (SCE) were obtained by strain OUT7921 when it was employed to ferment sweet-stem sorghum juice of FS902 cultivar. It was also observed that the juice extracted from sweet-stalk sorghum of FS902 cultivar is the most suitable medium for all yeast strains to achieve their best fermentation abilities. Thus, it is likely that the growth and ethanol production ability of a yeast strain in sweet-stalk sorghum juice depend on the physiological responses of the yeasts to nutrientcomposition of the sorghum juice and the sorghum cultivar from which the juice was extracted.Key words : Sweet-stalk sorghum juice, ethanol, fermentation, yeast</dc:description>
	<dc:publisher xml:lang="en-US">Universitas Gadjah Mada</dc:publisher>
	<dc:date>2010-12-06</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Original Research Articles</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijbiotech/article/view/7824</dc:identifier>
	<dc:identifier>10.22146/ijbiotech.7824</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Biotechnology; Vol 15, No 2 (2010)</dc:source>
	<dc:source>2089-2241</dc:source>
	<dc:source>0853-8654</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijbiotech/article/view/7824/6065</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2015 Indonesian Journal of Biotechnology</dc:rights>
</oai_dc:dc>