Effects of Surfactants and Microwave-assisted Pretreatment of Orange Peel on Extracellular Enzymes Production by Aspergillus japonicus PJ01.
Identifieur interne : 000674 ( Main/Merge ); précédent : 000673; suivant : 000675Effects of Surfactants and Microwave-assisted Pretreatment of Orange Peel on Extracellular Enzymes Production by Aspergillus japonicus PJ01.
Auteurs : Pei-Jun Li [République populaire de Chine] ; Jin-Lan Xia ; Yang Shan ; Zhen-Yuan Nie ; Fei-Ran WangSource :
- Applied biochemistry and biotechnology [ 1559-0291 ] ; 2015.
English descriptors
- KwdEn :
- Aspergillus (cytology), Aspergillus (drug effects), Aspergillus (growth & development), Aspergillus (metabolism), Citrus sinensis (chemistry), Extracellular Space (drug effects), Extracellular Space (metabolism), Fermentation (drug effects), Glycoside Hydrolases (biosynthesis), Microwaves, Plant Extracts (pharmacology), Surface-Active Agents (pharmacology).
- MESH :
- chemical , biosynthesis : Glycoside Hydrolases.
- chemistry : Citrus sinensis.
- cytology : Aspergillus.
- drug effects : Aspergillus, Extracellular Space, Fermentation.
- growth & development : Aspergillus.
- metabolism : Aspergillus, Extracellular Space.
- chemical , pharmacology : Plant Extracts, Surface-Active Agents.
- Microwaves.
Abstract
The effects of surfactants and microwave pretreatment of orange peel powder (OPP) on the production of pectinase, cellulase, and xylanase by Aspergillus japonicus PJ01 in submerged fermentation were investigated. The results showed that when OPP was pretreated only by microwave (630 W, 9 min, and liquid/solid ratio 5), the activities of exo-pectinase, carboxymethyl cellulase (CMCase), xylanase, and filter paper cellulase (FPase) were increased by 11.8, 20.6, 16.2, and 24.0 %, respectively, and when OPP was pretreated by microwave at the same conditions cited above plus PEG 4000 at the concentration of 3 g/L, the activities of the above four enzymes were enhanced by 40.2, 30.3, 40.4, and 40.0 % after 84-h cultivation, respectively. It is suggested a synergistic effect between microwave and surfactant treatment in enhancing the multiextracellular enzymes production by OPP fermentation of A. japonicus PJ01. Chemical composition and Fourier transform infrared spectroscopy (FTIR) analysis displayed that the microwave pretreatment of OPP led to the decrease of hemicellulose and essential oil contents. Scanning electron microscope (SEM) showed that OPP surface after microwave pretreatment became porous and more susceptible to be invaded by A. japonicus. The results demonstrated that pretreatment of OPP by surfactant PEG 4000 and microwave irradiation as environment-friendly way was cost-effective in enhancing the multienzyme production from agricultural waste orange peel.
DOI: 10.1007/s12010-015-1609-z
PubMed: 25920331
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of Surfactants and Microwave-assisted Pretreatment of Orange Peel on Extracellular Enzymes Production by Aspergillus japonicus PJ01.</title><author><name sortKey="Li, Pei Jun" sort="Li, Pei Jun" uniqKey="Li P" first="Pei-Jun" last="Li">Pei-Jun Li</name><affiliation wicri:level="1"><nlm:affiliation>School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083</wicri:regionArea><wicri:noRegion>410083</wicri:noRegion></affiliation></author><author><name sortKey="Xia, Jin Lan" sort="Xia, Jin Lan" uniqKey="Xia J" first="Jin-Lan" last="Xia">Jin-Lan Xia</name></author><author><name sortKey="Shan, Yang" sort="Shan, Yang" uniqKey="Shan Y" first="Yang" last="Shan">Yang Shan</name></author><author><name sortKey="Nie, Zhen Yuan" sort="Nie, Zhen Yuan" uniqKey="Nie Z" first="Zhen-Yuan" last="Nie">Zhen-Yuan Nie</name></author><author><name sortKey="Wang, Fei Ran" sort="Wang, Fei Ran" uniqKey="Wang F" first="Fei-Ran" last="Wang">Fei-Ran Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25920331</idno><idno type="pmid">25920331</idno><idno type="doi">10.1007/s12010-015-1609-z</idno><idno type="wicri:Area/PubMed/Corpus">000171</idno><idno type="wicri:Area/PubMed/Curation">000171</idno><idno type="wicri:Area/PubMed/Checkpoint">000171</idno><idno type="wicri:Area/Ncbi/Merge">001B06</idno><idno type="wicri:Area/Ncbi/Curation">001B06</idno><idno type="wicri:Area/Ncbi/Checkpoint">001B06</idno><idno type="wicri:Area/Main/Merge">000674</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Effects of Surfactants and Microwave-assisted Pretreatment of Orange Peel on Extracellular Enzymes Production by Aspergillus japonicus PJ01.</title><author><name sortKey="Li, Pei Jun" sort="Li, Pei Jun" uniqKey="Li P" first="Pei-Jun" last="Li">Pei-Jun Li</name><affiliation wicri:level="1"><nlm:affiliation>School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083</wicri:regionArea><wicri:noRegion>410083</wicri:noRegion></affiliation></author><author><name sortKey="Xia, Jin Lan" sort="Xia, Jin Lan" uniqKey="Xia J" first="Jin-Lan" last="Xia">Jin-Lan Xia</name></author><author><name sortKey="Shan, Yang" sort="Shan, Yang" uniqKey="Shan Y" first="Yang" last="Shan">Yang Shan</name></author><author><name sortKey="Nie, Zhen Yuan" sort="Nie, Zhen Yuan" uniqKey="Nie Z" first="Zhen-Yuan" last="Nie">Zhen-Yuan Nie</name></author><author><name sortKey="Wang, Fei Ran" sort="Wang, Fei Ran" uniqKey="Wang F" first="Fei-Ran" last="Wang">Fei-Ran Wang</name></author></analytic><series><title level="j">Applied biochemistry and biotechnology</title><idno type="eISSN">1559-0291</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aspergillus (cytology)</term><term>Aspergillus (drug effects)</term><term>Aspergillus (growth & development)</term><term>Aspergillus (metabolism)</term><term>Citrus sinensis (chemistry)</term><term>Extracellular Space (drug effects)</term><term>Extracellular Space (metabolism)</term><term>Fermentation (drug effects)</term><term>Glycoside Hydrolases (biosynthesis)</term><term>Microwaves</term><term>Plant Extracts (pharmacology)</term><term>Surface-Active Agents (pharmacology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Glycoside Hydrolases</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Aspergillus</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Aspergillus</term><term>Extracellular Space</term><term>Fermentation</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Aspergillus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Aspergillus</term><term>Extracellular Space</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Plant Extracts</term><term>Surface-Active Agents</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Microwaves</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The effects of surfactants and microwave pretreatment of orange peel powder (OPP) on the production of pectinase, cellulase, and xylanase by Aspergillus japonicus PJ01 in submerged fermentation were investigated. The results showed that when OPP was pretreated only by microwave (630 W, 9 min, and liquid/solid ratio 5), the activities of exo-pectinase, carboxymethyl cellulase (CMCase), xylanase, and filter paper cellulase (FPase) were increased by 11.8, 20.6, 16.2, and 24.0 %, respectively, and when OPP was pretreated by microwave at the same conditions cited above plus PEG 4000 at the concentration of 3 g/L, the activities of the above four enzymes were enhanced by 40.2, 30.3, 40.4, and 40.0 % after 84-h cultivation, respectively. It is suggested a synergistic effect between microwave and surfactant treatment in enhancing the multiextracellular enzymes production by OPP fermentation of A. japonicus PJ01. Chemical composition and Fourier transform infrared spectroscopy (FTIR) analysis displayed that the microwave pretreatment of OPP led to the decrease of hemicellulose and essential oil contents. Scanning electron microscope (SEM) showed that OPP surface after microwave pretreatment became porous and more susceptible to be invaded by A. japonicus. The results demonstrated that pretreatment of OPP by surfactant PEG 4000 and microwave irradiation as environment-friendly way was cost-effective in enhancing the multienzyme production from agricultural waste orange peel.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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