PoplarV1, Main, Exploration, bibRecord, 002D48

Production of xylooligosaccharides by xylanase from Pichia stipitis based on xylan preparation from triploid Populas tomentosa.

Identifieur interne : 002D48 ( Main/Exploration ); précédent : 002D47; suivant : 002D49

Production of xylooligosaccharides by xylanase from Pichia stipitis based on xylan preparation from triploid Populas tomentosa.

Auteurs : Haiyan Yang [République populaire de Chine] ; Kun Wang ; Xianliang Song ; Feng Xu

Source :

Bioresource technology [ 1873-2976 ] ; 2011.

RBID : pubmed:21565493

Descripteurs français

KwdFr :
- Concentration en ions d'hydrogène (MeSH), Endo-1,4-beta xylanases (métabolisme), Hydrolyse (MeSH), Masse moléculaire (MeSH), Oligosaccharides (biosynthèse), Phénomènes chimiques (MeSH), Pichia (enzymologie), Populus (composition chimique), Sonication (MeSH), Température (MeSH), Triploïdie (MeSH), Xylanes (biosynthèse), Xylanes (composition chimique).
MESH :
- biosynthèse : Oligosaccharides, Xylanes.
- composition chimique : Populus, Xylanes.
- enzymologie : Pichia.
- métabolisme : Endo-1,4-beta xylanases.
- Concentration en ions d'hydrogène, Hydrolyse, Masse moléculaire, Phénomènes chimiques, Sonication, Température, Triploïdie.

English descriptors

KwdEn :
- Chemical Phenomena (MeSH), Endo-1,4-beta Xylanases (metabolism), Hydrogen-Ion Concentration (MeSH), Hydrolysis (MeSH), Molecular Weight (MeSH), Oligosaccharides (biosynthesis), Pichia (enzymology), Populus (chemistry), Sonication (MeSH), Temperature (MeSH), Triploidy (MeSH), Xylans (biosynthesis), Xylans (chemistry).
MESH :
- chemical , biosynthesis : Oligosaccharides, Xylans.
- chemical , chemistry : Xylans.
- chemical , metabolism : Endo-1,4-beta Xylanases.
- chemistry : Populus.
- enzymology : Pichia.
- Chemical Phenomena, Hydrogen-Ion Concentration, Hydrolysis, Molecular Weight, Sonication, Temperature, Triploidy.

Abstract

Xylooligosaccharides (XOS) with DP 2-4 are important synbiotics used as food ingredients based on its prebiotic characteristics. In this work, the production of XOS from lignocellulosic material was performed by combined chemical-enzymatic methods. Xylan was prepared from triploid Populas tomentosa, and bioconverted into XOS by crude xylanase solution obtained from Pichia stipitis. The effects of reaction time, temperature, enzyme dosage, and pH value on the production of XOS were fully evaluated. Under the optimal condition (25U g(-1) substrate, pH 5.4 and 50°C), 36.8% of the xylan preparation was converted to XOS, equivalent to 3.95 mg/mL of the hydrolyzate. Xylobiose, xylotriose and xylotetrose were analyzed to be the main products of the enzymatic hydrolyzate, which together accounted for over 95% of the released oligosaccharides. Meanwhile, the effect of sonication pretreatment on the conversion efficiency of the xylan preparation was also investigated.

DOI: 10.1016/j.biortech.2011.03.110
PubMed: 21565493

Affiliations:

République populaire de Chine

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Le document en format XML

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<author><name sortKey="Yang, Haiyan" sort="Yang, Haiyan" uniqKey="Yang H" first="Haiyan" last="Yang">Haiyan Yang</name>
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<author><name sortKey="Wang, Kun" sort="Wang, Kun" uniqKey="Wang K" first="Kun" last="Wang">Kun Wang</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chemical Phenomena (MeSH)</term>
<term>Endo-1,4-beta Xylanases (metabolism)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Hydrolysis (MeSH)</term>
<term>Molecular Weight (MeSH)</term>
<term>Oligosaccharides (biosynthesis)</term>
<term>Pichia (enzymology)</term>
<term>Populus (chemistry)</term>
<term>Sonication (MeSH)</term>
<term>Temperature (MeSH)</term>
<term>Triploidy (MeSH)</term>
<term>Xylans (biosynthesis)</term>
<term>Xylans (chemistry)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Concentration en ions d'hydrogène (MeSH)</term>
<term>Endo-1,4-beta xylanases (métabolisme)</term>
<term>Hydrolyse (MeSH)</term>
<term>Masse moléculaire (MeSH)</term>
<term>Oligosaccharides (biosynthèse)</term>
<term>Phénomènes chimiques (MeSH)</term>
<term>Pichia (enzymologie)</term>
<term>Populus (composition chimique)</term>
<term>Sonication (MeSH)</term>
<term>Température (MeSH)</term>
<term>Triploïdie (MeSH)</term>
<term>Xylanes (biosynthèse)</term>
<term>Xylanes (composition chimique)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Oligosaccharides</term>
<term>Xylans</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Xylans</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Endo-1,4-beta Xylanases</term>
</keywords>
<keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr"><term>Oligosaccharides</term>
<term>Xylanes</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Populus</term>
<term>Xylanes</term>
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<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Pichia</term>
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<term>Hydrogen-Ion Concentration</term>
<term>Hydrolysis</term>
<term>Molecular Weight</term>
<term>Sonication</term>
<term>Temperature</term>
<term>Triploidy</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Concentration en ions d'hydrogène</term>
<term>Hydrolyse</term>
<term>Masse moléculaire</term>
<term>Phénomènes chimiques</term>
<term>Sonication</term>
<term>Température</term>
<term>Triploïdie</term>
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<front><div type="abstract" xml:lang="en">Xylooligosaccharides (XOS) with DP 2-4 are important synbiotics used as food ingredients based on its prebiotic characteristics. In this work, the production of XOS from lignocellulosic material was performed by combined chemical-enzymatic methods. Xylan was prepared from triploid Populas tomentosa, and bioconverted into XOS by crude xylanase solution obtained from Pichia stipitis. The effects of reaction time, temperature, enzyme dosage, and pH value on the production of XOS were fully evaluated. Under the optimal condition (25U g(-1) substrate, pH 5.4 and 50°C), 36.8% of the xylan preparation was converted to XOS, equivalent to 3.95 mg/mL of the hydrolyzate. Xylobiose, xylotriose and xylotetrose were analyzed to be the main products of the enzymatic hydrolyzate, which together accounted for over 95% of the released oligosaccharides. Meanwhile, the effect of sonication pretreatment on the conversion efficiency of the xylan preparation was also investigated.</div>
</front>
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<Month>09</Month>
<Day>23</Day>
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<DateRevised><Year>2016</Year>
<Month>11</Month>
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<JournalIssue CitedMedium="Internet"><Volume>102</Volume>
<Issue>14</Issue>
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<Title>Bioresource technology</Title>
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<Abstract><AbstractText>Xylooligosaccharides (XOS) with DP 2-4 are important synbiotics used as food ingredients based on its prebiotic characteristics. In this work, the production of XOS from lignocellulosic material was performed by combined chemical-enzymatic methods. Xylan was prepared from triploid Populas tomentosa, and bioconverted into XOS by crude xylanase solution obtained from Pichia stipitis. The effects of reaction time, temperature, enzyme dosage, and pH value on the production of XOS were fully evaluated. Under the optimal condition (25U g(-1) substrate, pH 5.4 and 50°C), 36.8% of the xylan preparation was converted to XOS, equivalent to 3.95 mg/mL of the hydrolyzate. Xylobiose, xylotriose and xylotetrose were analyzed to be the main products of the enzymatic hydrolyzate, which together accounted for over 95% of the released oligosaccharides. Meanwhile, the effect of sonication pretreatment on the conversion efficiency of the xylan preparation was also investigated.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yang</LastName>
<ForeName>Haiyan</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>Institute of Biomass Chemistry and Technology, College of Material Science and Technology, Beijing Forestry University, Beijing, 100083, China.</Affiliation>
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<Author ValidYN="Y"><LastName>Wang</LastName>
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<Author ValidYN="Y"><LastName>Song</LastName>
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<Author ValidYN="Y"><LastName>Xu</LastName>
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<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType>
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<ArticleDate DateType="Electronic"><Year>2011</Year>
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<MedlineJournalInfo><Country>England</Country>
<MedlineTA>Bioresour Technol</MedlineTA>
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<ISSNLinking>0960-8524</ISSNLinking>
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<MeshHeading><DescriptorName UI="D008970" MajorTopicYN="N">Molecular Weight</DescriptorName>
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<MeshHeading><DescriptorName UI="D013010" MajorTopicYN="N">Sonication</DescriptorName>
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<Month>03</Month>
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<name sortKey="Xu, Feng" sort="Xu, Feng" uniqKey="Xu F" first="Feng" last="Xu">Feng Xu</name>
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Production of xylooligosaccharides by xylanase from Pichia stipitis based on xylan preparation from triploid Populas tomentosa.

Production of xylooligosaccharides by xylanase from Pichia stipitis based on xylan preparation from triploid Populas tomentosa.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki