PANCAR KABUĞUNUN NANOSELÜLOZ İLE GÜÇLENDİRİLMİŞ BİYOKOMPOZİT FİLM ÜRETİMİ İÇİN DEĞERLENDİRİLMESİ

Öz

Petrol bazlı ambalajların yaygın kullanımı çevre kirliliğine önemli ölçüde katkıda bulunmakta olup, sürdürülebilir alternatifleri zorunlu kılmaktadır. Bu çalışma, bol miktarda tarımsal yan ürün olan pancar kabuğunu değerlendirerek, mekanik ve bariyer özelliklerini artırmak amacıyla kristalin nanoselüloz (CNC) ile güçlendirilmiş biyokompozit filmlerine dahil etmeyi hedeflemiştir. Filmler, pancar kabuğu, jelatin ve gliserolün karıştırılmasıyla üretilmiş, ardından %3 ve %6 CNC eklenmiştir. Filmler dökülmüş, kurutulmuş ve kalınlık, opaklık, renk, suda çözünürlük, çekme mukavemeti, kopma uzaması ve su buharı geçirgenliği açısından analiz edilmiştir. İstatistiksel analiz, formülasyonlar arasında anlamlı farklar belirlemiştir. %6 CNC eklenmesi, kalınlığı 0.12 mm'den 0.26 mm'ye çıkarmış, opaklığı %40 artırmış, çözünürlüğü %60'tan %40'ın altına düşürmüş, çekme mukavemetini 10 MPa'dan 15.6 MPa'ya yükseltmiş ve su buharı geçirgenliğini %70'in üzerinde azaltarak 0.46 ng·m⁻¹·s⁻¹·Pa⁻¹ seviyesine indirmiştir. Sonuç olarak, CNC takviyesi, pancar kabuğuna dayalı biyokompozit filmlerin mekanik ve bariyer özelliklerini başarıyla geliştirmiş olup, uygulanabilir sürdürülebilir bir ambalaj çözümü sunmaktadır.

Anahtar Kelimeler

• Yenilebilir Ambalaj
• Pancar Kabuğu
• Kristalin Nanoselüloz
• Biyobozunur Malzemeler
• Sürdürülebilirlik

Proje Numarası

1919B012305855

VALORIZATION OF BEETROOT SKIN FOR THE PRODUCTION OF NANOCELLULOSE REINFORCED BIOCOMPOSITE FILMS

Öz

The extensive use of petroleum-based packaging significantly contributes to environmental pollution, necessitating sustainable alternatives. This study aimed to valorize beetroot skin, an abundant agricultural by-product, by incorporating it into biocomposite films reinforced with crystalline nanocellulose (CNC) to enhance mechanical and barrier properties. Films were produced by blending beetroot skin with gelatin and glycerol, followed by the addition of 3% and 6% CNC. The films were cast, dried, and analyzed for thickness, opacity, color, water solubility, tensile strength, elongation at break, and water vapor permeability. Statistical analysis identified significant differences among formulations. Incorporating 6% CNC increased thickness from 0.12 mm to 0.26 mm, enhanced opacity by 40%, decreased solubility from 60% to below 40%, improved tensile strength from 10 MPa to 15.6 MPa, and reduced water vapor permeability by over 70% to 0.46 ng·m⁻¹·s⁻¹·Pa⁻¹. In conclusion, CNC reinforcement successfully improves beetroot skin-based films, potentially offering a viable sustainable biocomposite film solution in packaging applications.

Anahtar Kelimeler

• Edible Packaging
• Beetroot Skin
• Crystalline Nanocellulose
• Biodegradable Materials
• Sustainability

Proje Numarası

1919B012305855

Kaynakça

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