PHYSICOCHEMICAL, ANTIOXIDANT AND CORROSION INHIBITION PROPERTIES OF RHUS CORIARIA L. EXTRACTS OBTAINED USING SOLVENTS OF DIFFERENT POLARITY

Yıl 2026, Cilt: 51 Sayı: 2 , 327 - 343 , 31.03.2026

Gülşah Gökce , Bahar Tan , Büşra Erdem , Yakup Şirin , Perihan Gürkan Nurdane Yılmaz

https://izlik.org/JA44WA97HD

Öz

While the antioxidant properties of Rhus coriaria L. have been extensively documented, its systematic evaluation as a green corrosion inhibitor through a direct comparison between powder and seed forms has not been previously investigated. This study addresses this gap by examining the inhibition efficacy of sumac powder and seeds for mild steel in 1M HCl, where biomass forms are compared directly in their native states. To elucidate the underlying mechanism, a comprehensive characterization was conducted using extracts obtained with water, ethanol, acetone, and chloroform to identify the influence of solvent polarity on the biomass matrix. Physicochemical analyses revealed that the seed form, particularly in ethanolic profiles, exhibits a higher total phenolic content (267.4 mg GAE/100 g) and superior redox-active profiles. Electrochemical evaluations via potentiodynamic polarization and EIS demonstrated that inhibition efficiency reaches a maximum of 60.79% for the seed form at 200 ppm. This performance is established as a direct consequence of the seed matrix’s higher antioxidant capacity and stabilized profile, which facilitate a more resilient adsorptive film than the powder form. This study proves that sumac seeds, as a byproduct, offer a robust protective layer through synergistic phytochemical interactions.

Anahtar Kelimeler

Adsorption , antioxidants , corrosion , extraction , Rhus coriaria L

Etik Beyan

This article has been prepared in accordance with the principles of scientific research and publication ethics All data obtained during the research process have been reported truthfully, and no fabrication, falsification, manipulation, or plagiarism has been committed. All sources used in the article have been properly and completely cited, and the relevant intellectual property rights have been fully respected.

Destekleyen Kurum

SEM-AS Tourism Food Industry Trade Limited Company

Teşekkür

The authors would like to express their sincere gratitude to all individuals who contributed to the successful completion of this research. Special thanks are extended to Reşat Gürkan and Semih Gürkan for their invaluable support, guidance, and contributions throughout the study.

FARKLI POLARİTEDEKİ ÇÖZÜCÜLERLE ELDE EDİLEN RHUS CORIARIA L. EKSTRAKTLARININ FİZİKOKİMYASAL, ANTİOKSİDAN VE KOROZYON İNHİBİSYONU ÖZELLİKLERİ

https://izlik.org/JA44WA97HD

Öz

Sumak (Rhus coriaria L.)’nin antioksidan özellikleri yaygın olarak belgelenmiş olsa da toz ve çekirdek formları arasındaki doğrudan bir karşılaştırma yoluyla yeşil korozyon inhibitörü olarak sistematik değerlendirmesi daha önce araştırılmamıştır. Bu çalışma, sumak tozu ve çekirdeklerinin 1M HCl ortamındaki korozyon inhibisyon etkinliğini, biyokütle formlarının doğrudan kıyaslandığı özgün bir kurguyla incelemektedir. Çözücü polaritesinin (su, etanol, aseton ve kloroform) biyokütle matrisi üzerindeki etkisini belirlemek ve mekanizmayı aydınlatmak amacıyla kapsamlı bir karakterizasyon yürütülmüştür. Fizikokimyasal analizler, çekirdek formunun toz formuna kıyasla daha yüksek toplam fenolik içeriği (26.4 mg GAE/100 g) ve üstün redoks-aktif profil sergilediğini göstermiştir. Elektrokimyasal değerlendirmeler, inhibisyon veriminin 200 ppm’de çekirdek formu için %60.79’a ulaştığını kanıtlamıştır. Elde edilen bu performansın, çekirdek formunun toz formuna kıyasla sahip olduğu üstün antioksidan kapasitesinin ve stabilize profilinin doğrudan bir sonucu olduğu ve metal yüzeyinde daha dirençli bir adsorpsiyon filmi oluşturduğu saptanmıştır. Bu çalışma, sumak çekirdeklerinin bir yan ürün olarak, sinerjik fitokimyasal etkileşimler yoluyla sağlam bir koruyucu şelat tabakası sağladığını kanıtlamaktadır.

Anahtar Kelimeler

Absorbsiyon , antioksidan , ekstraksiyon , korozyon , Rhus coriaria L.

Etik Beyan

Bu makale, bilimsel araştırma ve yayın etiği ilkelerine uygun olarak hazırlanmıştır. Araştırma sürecinde elde edilen tüm veriler gerçeğe uygun biçimde raporlanmış; hiçbir sahtecilik, çarpıtma, tahrifat veya intihal eyleminde bulunulmamıştır. Makalede kullanılan tüm kaynaklara doğru ve eksiksiz biçimde atıfta bulunulmuş, ilgili fikrî mülkiyet haklarına tam olarak saygı gösterilmiştir.

Destekleyen Kurum

SEM-AS GIDA SAN. TUR. TIC. LTD. ŞTİ, Ar-Ge Merkezi

Teşekkür

Yazarlar, bu araştırmanın başarıyla tamamlanmasına katkı sağlayan tüm kişi ve kurumlara içten teşekkürlerini sunar. Çalışma süresince değerli destekleri, rehberlikleri ve katkıları için Reşat Gürkan ve Semih Gürkan’a özel olarak teşekkür ederler.

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