Optimizing the Oil Extraction/Water Adsorption Step in Sequential Extraction Processing of Corn

dc.contributor.author Miller, Kathrine
dc.contributor.author Hojilla-Evangelista, Mila
dc.contributor.author Johnson, Lawrence
dc.contributor.department Food Science and Human Nutrition
dc.date 2018-02-15T14:28:02.000
dc.date.accessioned 2020-06-30T03:58:22Z
dc.date.available 2020-06-30T03:58:22Z
dc.date.copyright Mon Jan 01 00:00:00 UTC 2001
dc.date.embargo 2014-02-07
dc.date.issued 2001-07-01
dc.description.abstract <p>The Sequential Extraction Process (SEP) uses ethanol to extract oil and protein from cracked, flaked, and dried corn, and the corn simultaneously dehydrates the ethanol. The optimum conditions to reduce zein extraction in the oil extraction/water adsorption step of SEP involved a single–pass system using 15 length/diameter ratio extraction cells, 30% hexanes: 70% ethanol, and 56C extraction temperature, which improved the efficiencies of oil extraction from the corn and moisture adsorption from the ethanol. The extract contained only 0.1% protein in the desolventized solids. The moisture content of the solvent was reduced to 1.03%, and the residual oil content of the corn was 0.18%. Oil recovery was improved from 90.8% to 95.5%. The countercurrent laboratory extraction system confirmed that using 30% hexanes:70% ethanol at 56C in a single–pass system reduced zein co–extraction with oil while increasing oil extraction and moisture adsorption.</p>
dc.description.comments <p>This article is from <em>Transaction ASAE </em>45(1) 2001: 137-144. doi: <a href="http://www.dx.doi.org/10.13031/2013.7856" target="_blank">10.13031/2013.7856</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/fshn_ag_pubs/102/
dc.identifier.articleid 1103
dc.identifier.contextkey 6424009
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath fshn_ag_pubs/102
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/37386
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/fshn_ag_pubs/102/2002_JohnsonLA_OptimizingOilExtraction.pdf|||Fri Jan 14 18:15:43 UTC 2022
dc.source.uri 10.13031/2013.7856
dc.subject.disciplines Agricultural Science
dc.subject.disciplines Food Science
dc.subject.disciplines Human and Clinical Nutrition
dc.subject.disciplines Plant Biology
dc.subject.keywords Center for Crops Utilization Research
dc.subject.keywords Corn
dc.subject.keywords Ethanol
dc.subject.keywords Extraction
dc.subject.keywords Maize
dc.subject.keywords Milling
dc.subject.keywords Zein
dc.subject.keywords Corn oil
dc.subject.keywords Corn protein
dc.subject.keywords Corn processing.
dc.title Optimizing the Oil Extraction/Water Adsorption Step in Sequential Extraction Processing of Corn
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication e0d65a70-f6a9-47b5-8070-08e7695a7d5f
relation.isOrgUnitOfPublication 4b6428c6-1fda-4a40-b375-456d49d2fb80
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