Reduction of hexavalent chromium formation in leather with various natural products (Coridothymus capitatus, Olea europaea, Corylus avellana, and Juglans regia) [Çeşitli Dogal Ürünler ile Deride Hekzavalan Krom Oluşumunun Azalti{dotless}lmasi{dotless} (Coridothymus capitatus, Olea europaea, Corylus avellana ve Juglans regia)]

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dc.contributor.authorEke Bayramoglu E.
dc.contributor.authorOnem E.
dc.contributor.authorYorgancioglu A.
dc.date.accessioned2019-10-27T08:32:58Z
dc.date.available2019-10-27T08:32:58Z
dc.date.issued2012
dc.departmentEge Üniversitesien_US
dc.description.abstractIn this research, the extracts obtained from various natural products (hazelnut shells, thyme, olive shoots, and walnut leaves), which are indicated to have antioxidative characteristics, which are used during the retanning stage of leather manufacturing and their effects on chromium(VI) formation in leather was examined. Finished leathers were exposed to ageing conditions for 24h at 80 oC and for 24h and 72h at 80 oC under UV in order to enable chromium(VI) formation in the leathers. Chromium (VI) amounts in each leather sample were measured with a Shimadzu UV-1601 PC UV-Visible spectrophotometer at 540 nm according to the ISO/FDIS 17075 standard method, and how each extract affected chromium (VI) formation in leather was examined. According to the findings of the research; Coridothymus capitatus, Olea europaea, Corylus avellana, and Juglans regia extracts, which were used during the retanning stage of leather manufacturing, significantly reduced chromium(VI) formation in the leather under all three ageing conditions. The best reduction was obtained with Coridothymus capitatus extract in the ratio of 89.24% under the ageing condition of 24h/80 oC. It is recommended that different extraction methods, different natural extracts, and different ageing conditions be carried out in the future are to optimize the results of the current study.en_US
dc.identifier.doi10.5053/ekoloji.2011.8413
dc.identifier.endpage120en_US
dc.identifier.issn1300-1361
dc.identifier.issn1300-1361en_US
dc.identifier.issue84en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage114en_US
dc.identifier.urihttps://doi.org/10.5053/ekoloji.2011.8413
dc.identifier.urihttps://hdl.handle.net/11454/26605
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofEkolojien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAgeingen_US
dc.subjectAntioxidantsen_US
dc.subjectChromium(VI)en_US
dc.subjectLeatheren_US
dc.subjectPlant extracten_US
dc.titleReduction of hexavalent chromium formation in leather with various natural products (Coridothymus capitatus, Olea europaea, Corylus avellana, and Juglans regia) [Çeşitli Dogal Ürünler ile Deride Hekzavalan Krom Oluşumunun Azalti{dotless}lmasi{dotless} (Coridothymus capitatus, Olea europaea, Corylus avellana ve Juglans regia)]en_US
dc.typeArticleen_US

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