A Novel Approach For The Evaluation Of Bio-Oils Obtained From Chestnut Shells By Different Processes

Year 2024, Volume: 14 Issue: 4, 1636 - 1644, 01.12.2024

Yunus Başar , Mehmet Salih Nas , Mehmet Hakkı Alma , İbrahim Demirtaş

https://doi.org/10.21597/jist.1516941

Abstract

In this study, the contents of both extraction liquid and pyrolysis liquid products of chestnut shells were characterized using Gas Chromatography-Mass Spectrometry (GC-MS), Liquid Chromatography-Mass Spectrometry (LC/MS-MS) and Fourier Infrared Spectroscopy (FT-IR). In LC-MS/MS analyses; sample samples obtained from different processes were determined using 41 phenolic standards. The results of LC-MS/MS analysis showed that both the type and amount of phenolic compounds in the liquid extract were significantly higher than those in the pyrolysis liquid. According to the analysis results, very valuable phenolic compounds such as catechin (2526.96 µg/g extract), gallic acid (175.02 µg/g extract), protocatechuic acid (76.47 µg/g extract) were obtained in high amounts. FTIR analysis of the liquid samples obtained by two different processes was performed. GC-MS analysis revealed stearic acid methyl ester (28.78%), palmitic acid methyl ester (27.81%) and o-xylene (9.29%) in the liquid extract. However, higher amounts of linoleic acid, methyl ester (32.45%), palmitic acid methyl ester (23.06%) and linolenic acid, methyl ester oleic acid, methyl ester (11.32%) compounds were detected in the liquid extract obtained by pyrolysis compared to the normal liquid extract content. All these findings show that the processing method and physicochemical conditions are very important in obtaining valuable compounds such as phenolic and organic acids from plant products such as chestnut bark.

Keywords

Bio-Oils, Pyrolysis, Phenolic, Characterization

Thanks

1.HAKEM ÖNERİSİ ÜNVANI: Doç.Dr ADI: Ümit SOYADI: YILDIKO MAİL ADRESİ: [e-mail] KURUMU: Kars Üniversitesi BÖLÜMÜ: Kimya UZMANLIK ALANI: Spesifik cihaz analiz uzmanı, Sensör uzmanı 2.HAKEM ÖNERİSİ ÜNVANI: Dr.Öğr.Üyesi ADI:Adnan SOYADI: YILDIZ MAİL ADRESİ: [e-mail] KURUMU: Yüzüncü Yıl Üniversites BÖLÜMÜ:Kimya UZMANLIK ALANI: Spesifik cihaz analiz uzmanı 3.HAKEM ÖNERİSİ: ÜNVANI:Prof. Dr. ADI:Ramazan SOYADI:ERENLER MAİL ADRESİ: [e-mail] KURUMU: Tokat Üniversitesi BÖLÜMÜ:Kimya UZMANLIK ALANI: Spesifik cihaz analiz uzmanı, Ekstraksiyon çalışmaları, antibakteriyal alanında uzman Not: Önermiş olduğum hakemler ile aynı kurumda çalışmadığımı beyan ederim.

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