Solid-substrate fermentation of corn fiber by Phanerochaete chrysosporium and subsequent fermentation of hydrolysate into ethanol.
Identifieur interne : 000670 ( Main/Exploration ); précédent : 000669; suivant : 000671Solid-substrate fermentation of corn fiber by Phanerochaete chrysosporium and subsequent fermentation of hydrolysate into ethanol.
Auteurs : Prachand Shrestha [États-Unis] ; Mary Rasmussen ; Samir K. Khanal ; Anthony L. Pometto ; J Hans Van LeeuwenSource :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2008.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Zea mays.
- métabolisme : Cellulose, Lignine, Phanerochaete, Polyosides, Éthanol.
- Fermentation, Hydrolyse.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Cellulose, Ethanol, Lignin, Polysaccharides.
- chemistry : Zea mays.
- metabolism : Phanerochaete.
- Fermentation, Hydrolysis.
Abstract
The goal of this study was to develop a fungal process for ethanol production from corn fiber. Laboratory-scale solid-substrate fermentation was performed using the white-rot fungus Phanerochaete chrysosporium in 1 L polypropylene bottles as reactors via incubation at 37 degrees C for up to 3 days. Extracellular enzymes produced in situ by P. chrysosporium degraded lignin and enhanced saccharification of polysaccharides in corn fiber. The percentage biomass weight loss and Klason lignin reduction were 34 and 41%, respectively. Anaerobic incubation at 37 degrees C following 2 day incubation reduced the fungal sugar consumption and enhanced the in situ cellulolytic enzyme activities. Two days of aerobic solid-substrate fermentation of corn fiber with P. chrysosporium, followed by anaerobic static submerged-culture fermentation resulted in 1.7 g of ethanol/100 g of corn fiber in 6 days, whereas yeast ( Saccharomyces cerevisiae) cocultured with P. chrysosporium demonstrated enhanced ethanol production of 3 g of ethanol/100 g of corn fiber. Specific enzyme activity assays suggested starch and hemi/cellulose contribution of fermentable sugar.
DOI: 10.1021/jf0728404
PubMed: 18476696
Affiliations:
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Khanal</name></author><author><name sortKey="Pometto, Anthony L" sort="Pometto, Anthony L" uniqKey="Pometto A" first="Anthony L" last="Pometto">Anthony L. Pometto</name></author><author><name sortKey="Van Leeuwen, J Hans" sort="Van Leeuwen, J Hans" uniqKey="Van Leeuwen J" first="J Hans" last="Van Leeuwen">J Hans Van Leeuwen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:18476696</idno><idno type="pmid">18476696</idno><idno type="doi">10.1021/jf0728404</idno><idno type="wicri:Area/Main/Corpus">000693</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000693</idno><idno type="wicri:Area/Main/Curation">000693</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000693</idno><idno type="wicri:Area/Main/Exploration">000693</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Solid-substrate fermentation of corn fiber by Phanerochaete chrysosporium and subsequent fermentation of hydrolysate into ethanol.</title><author><name sortKey="Shrestha, Prachand" sort="Shrestha, Prachand" uniqKey="Shrestha P" first="Prachand" last="Shrestha">Prachand Shrestha</name><affiliation wicri:level="4"><nlm:affiliation>Department of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA 50011, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA 50011</wicri:regionArea><placeName><region type="state">Iowa</region><settlement type="city">Ames (Iowa)</settlement></placeName><orgName type="university">Université d'État de l'Iowa</orgName></affiliation></author><author><name sortKey="Rasmussen, Mary" sort="Rasmussen, Mary" uniqKey="Rasmussen M" first="Mary" last="Rasmussen">Mary Rasmussen</name></author><author><name sortKey="Khanal, Samir K" sort="Khanal, Samir K" uniqKey="Khanal S" first="Samir K" last="Khanal">Samir K. Khanal</name></author><author><name sortKey="Pometto, Anthony L" sort="Pometto, Anthony L" uniqKey="Pometto A" first="Anthony L" last="Pometto">Anthony L. Pometto</name></author><author><name sortKey="Van Leeuwen, J Hans" sort="Van Leeuwen, J Hans" uniqKey="Van Leeuwen J" first="J Hans" last="Van Leeuwen">J Hans Van Leeuwen</name></author></analytic><series><title level="j">Journal of agricultural and food chemistry</title><idno type="ISSN">0021-8561</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cellulose (metabolism)</term><term>Ethanol (metabolism)</term><term>Fermentation (MeSH)</term><term>Hydrolysis (MeSH)</term><term>Lignin (metabolism)</term><term>Phanerochaete (metabolism)</term><term>Polysaccharides (metabolism)</term><term>Zea mays (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Cellulose (métabolisme)</term><term>Fermentation (MeSH)</term><term>Hydrolyse (MeSH)</term><term>Lignine (métabolisme)</term><term>Phanerochaete (métabolisme)</term><term>Polyosides (métabolisme)</term><term>Zea mays (composition chimique)</term><term>Éthanol (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cellulose</term><term>Ethanol</term><term>Lignin</term><term>Polysaccharides</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Zea mays</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Zea mays</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Phanerochaete</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cellulose</term><term>Lignine</term><term>Phanerochaete</term><term>Polyosides</term><term>Éthanol</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Fermentation</term><term>Hydrolysis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Fermentation</term><term>Hydrolyse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The goal of this study was to develop a fungal process for ethanol production from corn fiber. Laboratory-scale solid-substrate fermentation was performed using the white-rot fungus Phanerochaete chrysosporium in 1 L polypropylene bottles as reactors via incubation at 37 degrees C for up to 3 days. Extracellular enzymes produced in situ by P. chrysosporium degraded lignin and enhanced saccharification of polysaccharides in corn fiber. The percentage biomass weight loss and Klason lignin reduction were 34 and 41%, respectively. Anaerobic incubation at 37 degrees C following 2 day incubation reduced the fungal sugar consumption and enhanced the in situ cellulolytic enzyme activities. Two days of aerobic solid-substrate fermentation of corn fiber with P. chrysosporium, followed by anaerobic static submerged-culture fermentation resulted in 1.7 g of ethanol/100 g of corn fiber in 6 days, whereas yeast ( Saccharomyces cerevisiae) cocultured with P. chrysosporium demonstrated enhanced ethanol production of 3 g of ethanol/100 g of corn fiber. Specific enzyme activity assays suggested starch and hemi/cellulose contribution of fermentable sugar.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18476696</PMID><DateCompleted><Year>2008</Year><Month>07</Month><Day>30</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0021-8561</ISSN><JournalIssue CitedMedium="Print"><Volume>56</Volume><Issue>11</Issue><PubDate><Year>2008</Year><Month>Jun</Month><Day>11</Day></PubDate></JournalIssue><Title>Journal of agricultural and food chemistry</Title><ISOAbbreviation>J Agric Food Chem</ISOAbbreviation></Journal><ArticleTitle>Solid-substrate fermentation of corn fiber by Phanerochaete chrysosporium and subsequent fermentation of hydrolysate into ethanol.</ArticleTitle><Pagination><MedlinePgn>3918-24</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/jf0728404</ELocationID><Abstract><AbstractText>The goal of this study was to develop a fungal process for ethanol production from corn fiber. 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Khanal</name><name sortKey="Pometto, Anthony L" sort="Pometto, Anthony L" uniqKey="Pometto A" first="Anthony L" last="Pometto">Anthony L. Pometto</name><name sortKey="Rasmussen, Mary" sort="Rasmussen, Mary" uniqKey="Rasmussen M" first="Mary" last="Rasmussen">Mary Rasmussen</name><name sortKey="Van Leeuwen, J Hans" sort="Van Leeuwen, J Hans" uniqKey="Van Leeuwen J" first="J Hans" last="Van Leeuwen">J Hans Van Leeuwen</name></noCountry><country name="États-Unis"><region name="Iowa"><name sortKey="Shrestha, Prachand" sort="Shrestha, Prachand" uniqKey="Shrestha P" first="Prachand" last="Shrestha">Prachand Shrestha</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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