PhanerochaeteV1, Main, Exploration, bibRecord, 000906

Activity and elution profile of laccase during biological decolorization and dephenolization of olive mill wastewater.

Identifieur interne : 000906 ( Main/Exploration ); précédent : 000905; suivant : 000907

Activity and elution profile of laccase during biological decolorization and dephenolization of olive mill wastewater.

Auteurs : Albino A. Dias [Portugal] ; Rui M. Bezerra ; A Nazaré Pereira

Source :

Bioresource technology [ 0960-8524 ] ; 2004.

RBID : pubmed:14643980

Descripteurs français

KwdFr :
- Basidiomycota (enzymologie), Chromatographie d'échange d'ions (MeSH), Couleur (MeSH), Déchets industriels (analyse), Dépollution biologique de l'environnement (MeSH), Facteurs temps (MeSH), Huile d'olive (MeSH), Huiles végétales (analyse), Laccase (isolement et purification), Laccase (métabolisme), Phénols (métabolisme).
MESH :
- analyse : Déchets industriels, Huiles végétales.
- enzymologie : Basidiomycota.
- isolement et purification : Laccase.
- métabolisme : Laccase, Phénols.
- Chromatographie d'échange d'ions, Couleur, Dépollution biologique de l'environnement, Facteurs temps, Huile d'olive.

English descriptors

KwdEn :
- Basidiomycota (enzymology), Biodegradation, Environmental (MeSH), Chromatography, Ion Exchange (MeSH), Color (MeSH), Industrial Waste (analysis), Laccase (isolation & purification), Laccase (metabolism), Olive Oil (MeSH), Phenols (metabolism), Plant Oils (analysis), Time Factors (MeSH).
MESH :
- chemical , analysis : Industrial Waste, Plant Oils.
- enzymology : Basidiomycota.
- chemical , isolation & purification : Laccase.
- chemical , metabolism : Laccase, Phenols.
- Biodegradation, Environmental, Chromatography, Ion Exchange, Color, Olive Oil, Time Factors.

Abstract

The performance and enzymatic strategy exhibited by basidiomycete Euc-1, a laccase producing strain, was investigated during the biodegradation of olive mill wastewater (OMW). This strain yielded better decolorization of solidified OMW than Phanerochaete chrysosporium and removed 90% of phenols (initial concentration=800 mg l(-1)), 73% of color (initial A465=4.4), and 45% of chemical oxygen demand in batch cultures containing OMW. Since partial phenol removal occurred before the detection of enzymatic activity, no plausible correlation could be established between them. In contrast, decolorization occurred only after the detection of laccase activity and coincided with its production over time. Two laccase fractions (Lac1 and Lac2) were separated by chromatography. OMW strongly induced Lac2 that was almost absent in defined liquid medium. Furthermore, Lac2 was the main laccase fraction in the presence of OMW. This study pointed out that basidiomycete Euc-1 and its ligninolytic system could be a useful tool for the bioremediation of wastewater generated in the process of olive oil extraction.

DOI: 10.1016/j.biortech.2003.08.006
PubMed: 14643980

Affiliations:

Portugal

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Le document en format XML

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<author><name sortKey="Dias, Albino A" sort="Dias, Albino A" uniqKey="Dias A" first="Albino A" last="Dias">Albino A. Dias</name>
<affiliation wicri:level="1"><nlm:affiliation>Departamento de Engenharia Biológica e Ambiental, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5001-911 Vila Real, Portugal. jdias@utad.pt</nlm:affiliation>
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<author><name sortKey="Bezerra, Rui M" sort="Bezerra, Rui M" uniqKey="Bezerra R" first="Rui M" last="Bezerra">Rui M. Bezerra</name>
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<author><name sortKey="Pereira, A Nazare" sort="Pereira, A Nazare" uniqKey="Pereira A" first="A Nazaré" last="Pereira">A Nazaré Pereira</name>
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<affiliation wicri:level="1"><nlm:affiliation>Departamento de Engenharia Biológica e Ambiental, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5001-911 Vila Real, Portugal. jdias@utad.pt</nlm:affiliation>
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<term>Chromatography, Ion Exchange (MeSH)</term>
<term>Color (MeSH)</term>
<term>Industrial Waste (analysis)</term>
<term>Laccase (isolation & purification)</term>
<term>Laccase (metabolism)</term>
<term>Olive Oil (MeSH)</term>
<term>Phenols (metabolism)</term>
<term>Plant Oils (analysis)</term>
<term>Time Factors (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (enzymologie)</term>
<term>Chromatographie d'échange d'ions (MeSH)</term>
<term>Couleur (MeSH)</term>
<term>Déchets industriels (analyse)</term>
<term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Facteurs temps (MeSH)</term>
<term>Huile d'olive (MeSH)</term>
<term>Huiles végétales (analyse)</term>
<term>Laccase (isolement et purification)</term>
<term>Laccase (métabolisme)</term>
<term>Phénols (métabolisme)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Industrial Waste</term>
<term>Plant Oils</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Déchets industriels</term>
<term>Huiles végétales</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Basidiomycota</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Basidiomycota</term>
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<keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Laccase</term>
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<keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Laccase</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Laccase</term>
<term>Phenols</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Laccase</term>
<term>Phénols</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
<term>Chromatography, Ion Exchange</term>
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<term>Time Factors</term>
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<term>Couleur</term>
<term>Dépollution biologique de l'environnement</term>
<term>Facteurs temps</term>
<term>Huile d'olive</term>
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<front><div type="abstract" xml:lang="en">The performance and enzymatic strategy exhibited by basidiomycete Euc-1, a laccase producing strain, was investigated during the biodegradation of olive mill wastewater (OMW). This strain yielded better decolorization of solidified OMW than Phanerochaete chrysosporium and removed 90% of phenols (initial concentration=800 mg l(-1)), 73% of color (initial A465=4.4), and 45% of chemical oxygen demand in batch cultures containing OMW. Since partial phenol removal occurred before the detection of enzymatic activity, no plausible correlation could be established between them. In contrast, decolorization occurred only after the detection of laccase activity and coincided with its production over time. Two laccase fractions (Lac1 and Lac2) were separated by chromatography. OMW strongly induced Lac2 that was almost absent in defined liquid medium. Furthermore, Lac2 was the main laccase fraction in the presence of OMW. This study pointed out that basidiomycete Euc-1 and its ligninolytic system could be a useful tool for the bioremediation of wastewater generated in the process of olive oil extraction.</div>
</front>
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<DateCompleted><Year>2004</Year>
<Month>06</Month>
<Day>18</Day>
</DateCompleted>
<DateRevised><Year>2019</Year>
<Month>11</Month>
<Day>08</Day>
</DateRevised>
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<JournalIssue CitedMedium="Print"><Volume>92</Volume>
<Issue>1</Issue>
<PubDate><Year>2004</Year>
<Month>Mar</Month>
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<Title>Bioresource technology</Title>
<ISOAbbreviation>Bioresour Technol</ISOAbbreviation>
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<ArticleTitle>Activity and elution profile of laccase during biological decolorization and dephenolization of olive mill wastewater.</ArticleTitle>
<Pagination><MedlinePgn>7-13</MedlinePgn>
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<Abstract><AbstractText>The performance and enzymatic strategy exhibited by basidiomycete Euc-1, a laccase producing strain, was investigated during the biodegradation of olive mill wastewater (OMW). This strain yielded better decolorization of solidified OMW than Phanerochaete chrysosporium and removed 90% of phenols (initial concentration=800 mg l(-1)), 73% of color (initial A465=4.4), and 45% of chemical oxygen demand in batch cultures containing OMW. Since partial phenol removal occurred before the detection of enzymatic activity, no plausible correlation could be established between them. In contrast, decolorization occurred only after the detection of laccase activity and coincided with its production over time. Two laccase fractions (Lac1 and Lac2) were separated by chromatography. OMW strongly induced Lac2 that was almost absent in defined liquid medium. Furthermore, Lac2 was the main laccase fraction in the presence of OMW. This study pointed out that basidiomycete Euc-1 and its ligninolytic system could be a useful tool for the bioremediation of wastewater generated in the process of olive oil extraction.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dias</LastName>
<ForeName>Albino A</ForeName>
<Initials>AA</Initials>
<AffiliationInfo><Affiliation>Departamento de Engenharia Biológica e Ambiental, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5001-911 Vila Real, Portugal. jdias@utad.pt</Affiliation>
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Activity and elution profile of laccase during biological decolorization and dephenolization of olive mill wastewater.

Activity and elution profile of laccase during biological decolorization and dephenolization of olive mill wastewater.

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