Journals / Ekoloji / 2012 / Cilt: 21 - Sayı: 84

Çeşitli doğal ürünler ile deride hekzavalan krom oluşumunun azaltılması (Coridothymus capitatus, Olea europaea, Corylus avellana ve Juglans regia)

Reduction of hexavalent chromium formation in leather with various natural Products (Coridothymus capitatus, Olea europaea, Corylus avellana, and Juglans regia)

Journal
Ekoloji
Pages
114–120
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

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.

📌 3 Key Takeaways

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Objective & Hypothesis:In 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.
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Key Findings & Data:Finished leathers were exposed to ageing conditions for 24h at 80ºC and for 24h and 72h at 80ºC under UV in order to enable chromium(VI) formation in the leathers.
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Conclusion & Impact: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.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In 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 80ºC and for 24h and 72h at 80ºC 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/80ºC. 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.

Özet

Bu araştırmada, antioksidatif özelliğe sahip olduğu bilinen çeşitli bitkilerden elde edilen ekstraktlar deri işlentisinin retenaj aşamasında kullanılarak deride krom(VI) oluşumuna etkileri incelenmiştir. Mamul hale gelen deriler 80ºC sıcaklıkda 24 saat, 80ºC sıcaklık/UV altında ise 24 saat ve 72 saat yaşlandırma koşullarına maruz bırakılarak derilerde krom(VI) oluşumu sağlanmıştır. Her bir deri örneğinde krom(VI) miktarları Shimadzu UV-1601 PC UV-Visible spektrofotometre ile 540 nmde ISO/FDIS 17075 standart metoduna göre ölçülmüş ve her bir ekstraktın deride krom(VI) oluşumunu ne şekilde etkilediği incelenmiştir. Araştırma sonuçlarına göre; deri işlentisinin retenaj aşamasında kullanılan Coridothymus capitatus, Olea europaea, Corylus avellana ve Juglans regia ekstraktlarının üç yaşlandırma koşulunda da derideki krom(VI) oluşumunu önemli oranda azalttığı tespit edilmiştir. En iyi azalma %89,24 oranı ile 24 saat/80ºC yaşlandırma koşulunda Coridothymus capitatus ekstraktı ile elde edilmiştir. Farklı ekstraksiyon yöntemleri, farklı doğal ekstraktlar ve farklı yaşlandırma koşulları elde edilen sonuçların optimizasyonu açısından ileride yapılacak yeni çalışmalar için önerilebilir.

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Cite This Article

ONEM, E., YORGANCIOGLU, A., BAYRAMOGLU, E. E. (2022). Çeşitli doğal ürünler ile deride hekzavalan krom oluşumunun azaltılması (Coridothymus capitatus, Olea europaea, Corylus avellana ve Juglans regia). Ekoloji, Cilt: 21 - Sayı: 84, 114–120. https://ajindex.com/articles/499272

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