Serveur d'exploration sur le phanerochaete

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Decolourisation of synthetic and spentwash melanoidins using the white-rot fungus Phanerochaete chrysosporium JAG-40.

Identifieur interne : 000A63 ( Main/Curation ); précédent : 000A62; suivant : 000A64

Decolourisation of synthetic and spentwash melanoidins using the white-rot fungus Phanerochaete chrysosporium JAG-40.

Auteurs : J. Dahiya [Canada] ; D. Singh ; P. Nigam

Source :

RBID : pubmed:11265794

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English descriptors

Abstract

Phanerochaete chrysosporium JAG-40 was isolated from the soil samples saturated with spilled molasses collected from a sugar mill. This isolate decolourised synthetic and natural melanoidins present in spentwash in liquid fermentation; up to 80% in 6 days at 30 degrees C under aerobic conditions. A large inoculum size stimulated fungal biomass production, but this gave less decolourisation of pigment; 5% w/v (dry weight) mycelial suspension was found optimum for maximum decolourisation in melanoidin medium supplemented with glucose and peptone. Gel-filtration chromatography showed that larger molecular weight fractions of melanoidin were decolourised more rapidly than small molecular weight fractions.

DOI: 10.1016/s0960-8524(00)00119-x
PubMed: 11265794

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Le document en format XML

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<name sortKey="Singh, D" sort="Singh, D" uniqKey="Singh D" first="D" last="Singh">D. Singh</name>
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<name sortKey="Nigam, P" sort="Nigam, P" uniqKey="Nigam P" first="P" last="Nigam">P. Nigam</name>
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<term>Alcoholic Beverages (MeSH)</term>
<term>Biodegradation, Environmental (MeSH)</term>
<term>Chromatography, Gel (MeSH)</term>
<term>Environmental Pollution (MeSH)</term>
<term>Ethanol (MeSH)</term>
<term>Fermentation (MeSH)</term>
<term>Molasses (MeSH)</term>
<term>Phanerochaete (isolation & purification)</term>
<term>Phanerochaete (metabolism)</term>
<term>Pigments, Biological (metabolism)</term>
<term>Polymers (chemical synthesis)</term>
<term>Polymers (metabolism)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Waste Management (MeSH)</term>
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<term>Boissons alcooliques (MeSH)</term>
<term>Chromatographie sur gel (MeSH)</term>
<term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Fermentation (MeSH)</term>
<term>Gestion des déchets (MeSH)</term>
<term>Microbiologie du sol (MeSH)</term>
<term>Mélasses (MeSH)</term>
<term>Phanerochaete (isolement et purification)</term>
<term>Phanerochaete (métabolisme)</term>
<term>Pigments biologiques (métabolisme)</term>
<term>Pollution de l'environnement (MeSH)</term>
<term>Polymères (métabolisme)</term>
<term>Polymères (synthèse chimique)</term>
<term>Éthanol (MeSH)</term>
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<term>Polymers</term>
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<term>Pigments, Biological</term>
<term>Polymers</term>
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<keywords scheme="MESH" type="chemical" xml:lang="en">
<term>Ethanol</term>
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<term>Phanerochaete</term>
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<term>Biodegradation, Environmental</term>
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<term>Chromatographie sur gel</term>
<term>Dépollution biologique de l'environnement</term>
<term>Fermentation</term>
<term>Gestion des déchets</term>
<term>Microbiologie du sol</term>
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<div type="abstract" xml:lang="en">Phanerochaete chrysosporium JAG-40 was isolated from the soil samples saturated with spilled molasses collected from a sugar mill. This isolate decolourised synthetic and natural melanoidins present in spentwash in liquid fermentation; up to 80% in 6 days at 30 degrees C under aerobic conditions. A large inoculum size stimulated fungal biomass production, but this gave less decolourisation of pigment; 5% w/v (dry weight) mycelial suspension was found optimum for maximum decolourisation in melanoidin medium supplemented with glucose and peptone. Gel-filtration chromatography showed that larger molecular weight fractions of melanoidin were decolourised more rapidly than small molecular weight fractions.</div>
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