Uronic acid oxidase in orange fruit and other plant tissues
Identifieur interne : 003B64 ( Main/Merge ); précédent : 003B63; suivant : 003B65Uronic acid oxidase in orange fruit and other plant tissues
Auteurs : R. Pressey [États-Unis]Source :
- Phytochemistry [ 0031-9422 ] ; 1993.
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Abstract
Uronic acid oxidase was round to be widely distributed in plants and present at relatively high levels in tissues such as squash and citrus fruits. The enzyme was extracted from orange peel, one or the richest sources, and purified by a procedure involving gel filtration and ion-exchange chromatography. The enzyme is a flavoprotein with an Mr or 62×103 and a pH optimum or ca 8.5 It oxidized galacturonic acid to galactaric acid in the presence or 0, with the production or H2O2. It also oxidized oligogalacturonides and polygalacturonic acid, with the rate or oxidation increasing with the degree or polymerization or the substrate
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Pascal:93-0573797Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Uronic acid oxidase in orange fruit and other plant tissues</title><author><name sortKey="Pressey, R" sort="Pressey, R" uniqKey="Pressey R" first="R." last="Pressey">R. Pressey</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>ARS, Richard B. Russell res. cent.</s1><s2>Atlanta GA 30613</s2><s3>USA</s3></inist:fA14><country>États-Unis</country><wicri:noRegion>Atlanta GA 30613</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">93-0573797</idno><date when="1993">1993</date><idno type="stanalyst">PASCAL 93-0573797 INIST</idno><idno type="RBID">Pascal:93-0573797</idno><idno type="wicri:Area/PascalFrancis/Corpus">000D35</idno><idno type="wicri:Area/PascalFrancis/Curation">001178</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000C79</idno><idno type="wicri:doubleKey">0031-9422:1993:Pressey R:uronic:acid:oxidase</idno><idno type="wicri:Area/Main/Merge">003B64</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Uronic acid oxidase in orange fruit and other plant tissues</title><author><name sortKey="Pressey, R" sort="Pressey, R" uniqKey="Pressey R" first="R." last="Pressey">R. Pressey</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>ARS, Richard B. Russell res. cent.</s1><s2>Atlanta GA 30613</s2><s3>USA</s3></inist:fA14><country>États-Unis</country><wicri:noRegion>Atlanta GA 30613</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Phytochemistry</title><title level="j" type="abbreviated">Phytochemistry</title><idno type="ISSN">0031-9422</idno><imprint><date when="1993">1993</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Phytochemistry</title><title level="j" type="abbreviated">Phytochemistry</title><idno type="ISSN">0031-9422</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Characterization</term><term>Citrus sinensis</term><term>Enzymatic activity</term><term>Flavoprotein</term><term>Fruit</term><term>Galacturonic acid</term><term>Polymer</term><term>Purification</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Purification</term><term>Fruit</term><term>Caractérisation</term><term>Flavoprotéine</term><term>Activité enzymatique</term><term>Galacturonique acide</term><term>Polymère</term><term>Citrus sinensis</term><term>Uronic acid oxidase</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fruit</term><term>Polymère</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Uronic acid oxidase was round to be widely distributed in plants and present at relatively high levels in tissues such as squash and citrus fruits. The enzyme was extracted from orange peel, one or the richest sources, and purified by a procedure involving gel filtration and ion-exchange chromatography. The enzyme is a flavoprotein with an M<sub>r</sub> or 62×10<sup>3</sup> and a pH optimum or ca 8.5 It oxidized galacturonic acid to galactaric acid in the presence or 0, with the production or H<sub>2</sub>O<sub>2</sub>. It also oxidized oligogalacturonides and polygalacturonic acid, with the rate or oxidation increasing with the degree or polymerization or the substrate</div></front></TEI><affiliations><list><country><li>États-Unis</li></country></list><tree><country name="États-Unis"><noRegion><name sortKey="Pressey, R" sort="Pressey, R" uniqKey="Pressey R" first="R." last="Pressey">R. Pressey</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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