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dc.contributor.authorSonmezoglu, I.
dc.contributor.authorApak, R.
dc.contributor.authorYildogan, B.
dc.contributor.authorKILIÇ, HASAN
dc.contributor.authorImer, F.
dc.date.accessioned2021-03-02T23:20:32Z
dc.date.available2021-03-02T23:20:32Z
dc.date.issued2008
dc.identifier.citationImer F., Sonmezoglu I., Yildogan B., KILIÇ H., Apak R., "Kinetic study of copper(II)-and iron(III) - Catalyzed oxidation of L-ascorbic acid in aspartame-containing aerated solution: Protection of ascorbic acid", ITALIAN JOURNAL OF FOOD SCIENCE, cilt.20, sa.1, ss.5-21, 2008
dc.identifier.issn1120-1770
dc.identifier.othervv_1032021
dc.identifier.otherav_11dd818f-d8ed-4910-b80e-328d5e3b5085
dc.identifier.urihttp://hdl.handle.net/20.500.12627/17474
dc.description.abstractThe kinetics of uncatalyzed and metal-catalyzed oxidation of ascorbic acid (AA) in aerated aspartame solutions was studied at 0.1 ionic strength; AA was estimated with CUPRAC spectrophotometry. At fixed pH, the AA oxidation rate constants decreased with increasing aspartame content for a fixed Cu(II) concentration and increased with increasing Cu(II) or Fe(III) ratio for a fixed aspartame level. The stability of copper-aspartame complex inhibited the catalytic activity of copper in AA oxidation. Aspartame, with or without citrate, protected the AA from catalytic oxidation. The protective level of aspartame should be in excess of Cu(II), and close to the AA concentrations to prevent a prooxidative effect of AA.
dc.language.isoeng
dc.subjectTarımsal Bilimler
dc.subjectMühendislik ve Teknoloji
dc.subjectZiraat
dc.subjectGıda Mühendisliği
dc.subjectTarım ve Çevre Bilimleri (AGE)
dc.subjectTarım Bilimleri
dc.subjectGIDA BİLİMİ VE TEKNOLOJİSİ
dc.titleKinetic study of copper(II)-and iron(III) - Catalyzed oxidation of L-ascorbic acid in aspartame-containing aerated solution: Protection of ascorbic acid
dc.typeMakale
dc.relation.journalITALIAN JOURNAL OF FOOD SCIENCE
dc.contributor.departmentYıldız Teknik Üniversitesi , ,
dc.identifier.volume20
dc.identifier.issue1
dc.identifier.startpage5
dc.identifier.endpage21
dc.contributor.firstauthorID186184


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