The enhancement of polygalacturonase and polymethylgalacturonase production on solid-state conditions by Aspergillus foetidus

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dc.contributor.authorTaşkin E.
dc.contributor.authorEltem R.
dc.date.accessioned2024-07-22T08:22:21Z
dc.date.available2024-07-22T08:22:21Z
dc.date.issued2008
dc.description.abstractIn this study, a previously isolated strain of Aspergillus foetidus Ege-K-635 producing highly active polygalacturonase and polymethylgalacturonase was used for improvement of enzyme production using solid-state conditions. To enhance the enzyme yield, the mixture of two substrates such as sugar beet pulp and wheat bran, having different ratios of carbon-nitrogen and moisture levels was used. Further the effect of the amount of inoculum was investigated. Physical parameters for the highest polygalacturonase and polymethylgalacturonase production under solid state conditions were determined on wheat bran: the sugar beet pulp (1:2) mixture substrate composition having a 31:1 carbon-nitrogen ratio with 8 × 106 spores/gram of dry substrate as the inoculum amount. Adequate moisture levels were 75% and 70% for polygalacturonase and polymethylgalacturonase, respectively. Under these conditions, the highest activities obtained were 385 ± 12.3 Ug-1 on the third day for polygalacturonase and 18.3 ± 3.2 Ug-1 on the second day for polymethylgalacturonase. Copyright © Taylor & Francis Group, LLC.
dc.identifier.DOI-ID10.1080/08905430802262533
dc.identifier.issn15324249
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/19048
dc.language.isoEnglish
dc.subjectAdditives
dc.subjectEnzymes
dc.subjectFood
dc.subjectNitrogen
dc.subjectNonmetals
dc.subjectPectinase
dc.subjectProcessing
dc.subjectPulps
dc.subjectSubstrates
dc.subjectSugar
dc.subjectSugars
dc.subjectAspergillus
dc.subjectAspergillus foetidus
dc.subjectBeta vulgaris subsp. vulgaris
dc.subjectTriticum aestivum
dc.subjectAgricultural products
dc.subjectEnzymes
dc.subjectFood additives
dc.subjectFood processing
dc.subjectNitrogen
dc.subjectNonmetals
dc.subjectPulp
dc.subjectSubstrates
dc.subjectSugar (sucrose)
dc.subjectSugar beets
dc.subjectAspergillus foetidus
dc.subjectAspergillus foetidus Ege-K-635
dc.subjectCarbon-nitrogen ratio
dc.subjectEnhancement of pectinase
dc.subjectEnzyme production
dc.subjectIsolated strains
dc.subjectMoisture levels
dc.subjectPhysical parameters
dc.subjectPolygalacturonase
dc.subjectPolymethylgalacturonase
dc.subjectSolid state
dc.subjectSolid states
dc.subjectSubstrate composition
dc.subjectSugar beet pulp
dc.subjectWheat bran
dc.subjectSugars
dc.titleThe enhancement of polygalacturonase and polymethylgalacturonase production on solid-state conditions by Aspergillus foetidus
dc.typeArticle

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