Green Synthesis of Glycerol-Plasticized Chitosan Biofilms Containing Macerated St. John's Wort Oil

Year 2025, Volume: 11 Issue: 2, 460 - 471, 29.12.2025

Hatice Karaer Yağmur

https://doi.org/10.29132/ijpas.1666550

Abstract

Abstract: In this study, St. John's Wort oil was obtained by maceration, a tradi-tional method, using olive oil macerate. St. John's Wort oil was added to chi-tosan-based biofilms as an additive, and chitosan-based biofilms containing chi-tosan/St. John's Wort oil (SJWO) were obtained. Biofilms were characterized by FTIR. The preparation and physical potential use of these films are presented. The porosity, swelling capacity, thickness, degradation rates, pore volumes and opacity of biofilms were determined. It was observed that as the amount of oil entering the structure increased, the thickness of the film increased and its swelling properties decreased. The thickness and opacity of CN/SJW-0.2, CN/SJW-0.6 and CN/SJW-0.8 biofilms were determined as 0.17, 0.28 and 0.30 mm and 1.21, 0.98 and 0.94, respectively. It was determined that increasing the amount of SJWO in-creased the film thickness and decreased its opacity. The pore volume (Vp) values of CN/SJW-0.2, CN/SJW-0.6, and CN/SJW-0.8 were calculated as 0.098, 0.0085 and 0.0086. The porosity values of the films CN/SJW-0.2, CN/SJW-0.6 and CN/SJW-0.8 were determined as 0.01952, 0.00172 and 0.00175 re-spectively.

Keywords

maseration , biofilm , chitosan , porosity , st. john's wort oil

Maserat Sarı Kantaron Yağı İçeren Gliserol-Plastikleştirilmiş Kitosan Biyofilmlerinin Yeşil Sentezi

Abstract

Özet: Bu çalışmada, zeytinyağı maseratı kullanılarak geleneksel bir yöntem olan ma-serasyon yoluyla kantaron yağı elde edildi. Kantaron yağı, kitosan bazlı biyofilmlere katkı maddesi olarak eklenmiş ve kitosan/ kantaron yağı (SJWO) içeren kitosan bazlı biyofilmler elde edildi. Biyofilmler FTIR ile karakterize edilmiştir. Bu filmlerin hazırlanması ve fiziksel kullanım potansiyelleri sunulmuştur. Biyofilmlerin gözenekliliği, şişme kapasitesi, kalınlığı, bozunma hızları, gözenek hacimleri ve opaklığı belirlendi. Yapıya giren yağ miktarı arttıkça filmin kalınlığının arttığı ve şişme özelliklerinin azaldığı gözlendi. CN/SJW-0.2, CN/SJW-0.6 ve CN/SJW-0.8 biyofilm-lerinin kalınlığı ve opaklığı sırasıyla 0.17, 0.28 ve 0.30 mm ve 1.21, 0.98 ve 0.94 olarak belirlendi. SJWO miktarının art-masıyla film kalınlığını artırdığı ve opaklığının azaldığı belirlendi. CN/SJW-0.2, CN/SJW-0.6 ve CN/SJW-0.8'in gözenek hacmi (Vp) değerleri sırasıyla 0.098, 0.0085 ve 0.0086 olarak hesaplandı. CN/SJW-0.2, CN/SJW-0.6 ve CN/SJW-0.8 filmlerinin gözeneklilik değerleri ise sırasıyla 0.01952, 0.00172 ve 0.00175 olarak belirlendi.

Keywords

Sarı kantaron yağı , maserasyon , biyofilm , kitosan , gözeneklilik

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