Journals / Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2026 / Cilt: 19 Sayı: 2

Effect of Different Molasses Types as Natural Binding Agents on the Physicochemical, Antioxidant, Color, and Textural Properties of Fruit Bars During Storage

Doğal Bağlayıcı Olarak Farklı Pekmez Türlerinin Meyve Barlarının Fizikokimyasal, Antioksidan, Renk ve Tekstürel Özellikleri Üzerine Depolama Süresince Etkisi

Vildan Eyiz(Necmettin Erbakan University)0000-0003-1081-4166
İsmail Tontul(Necmettin Erbakan University)0000-0002-8995-1886
Pages
393–408
Publication Date
2026-08-31
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AI Summary & Key Takeaways

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

Overall, molasses incorporation improved functional properties but significantly influenced color and texture.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study investigated the effects of different natural binding agents (grape, mulberry, and carob molasses) on the physicochemical, antioxidant, color, and textural properties of fruit bars during storage.
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Key Findings & Data:Samples were stored at 4 °C and 25 °C for three months.
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Conclusion & Impact:Overall, molasses incorporation improved functional properties but significantly influenced color and texture.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Antioksidan aktivite · depolama stabilitesi · meyve barı

Abstract

This study investigated the effects of different natural binding agents (grape, mulberry, and carob molasses) on the physicochemical, antioxidant, color, and textural properties of fruit bars during storage. Samples were stored at 4 °C and 25 °C for three months. Storage temperature significantly affected moisture content, with higher values at 4 °C (13.29%) compared to 25 °C (12.73%), indicating increased moisture loss at higher temperature. Antioxidant activity also decreased at elevated temperature, from 2138.66 to 1746.42 mg TE/kg, while total phenolic content remained relatively stable (3002.03–3180.48 mg GAE/kg). Among formulations, mulberry and grape molasses exhibited the highest phenolic content (3651.64 and 3609.38 mg GAE/kg, respectively) and antioxidant activity (3325.39 and 1757.42 mg TE/kg), whereas the control sample showed the lowest values. Color parameters were significantly influenced by storage conditions, with L* values decreasing from 39.47 (4 °C) to 35.23 (25 °C), indicating enhanced browning at higher temperature. Regarding textural properties, grape molasses resulted in the highest hardness (10852.1) and chewiness (3979.39), while mulberry and carob molasses produced softer structures. Storage time increased hardness from 8098.27 to 10904.83 and chewiness from 3224.46 to 4106.8 over three months. Overall, molasses incorporation improved functional properties but significantly influenced color and texture. These findings highlight the importance of formulation and storage conditions in developing high-quality fruit-based snack products.

Özet

Bu çalışmada, doğal bağlayıcı olarak kullanılan farklı pekmez türlerinin (üzüm, dut ve keçiboynuzu) meyve barlarının fizikokimyasal, antioksidan, renk ve tekstürel özellikleri üzerine depolama süresince etkileri araştırılmıştır. Numuneler 4 °C ve 25 °C’de üç ay süreyle depolanmış ve belirli aralıklarla analiz edilmiştir. Depolama sıcaklığının nem içeriği ve antioksidan aktivite üzerinde önemli etkisi olduğu belirlenmiştir. Daha yüksek nem içeriği 4 °C’de (%13,29), 25 °C’de (%12,73) kıyasla elde edilmiştir ve bu durum yüksek sıcaklıkta artan su kaybı ile ilişkilendirilmiştir. Antioksidan aktivite yüksek sıcaklıkta azalma göstermiştir (2138.66’dan 1746.42 mg TE/kg’a). Toplam fenolik madde içeriği ise depolama süresince nispeten stabil kalmıştır (3002.03–3180.48 mg GAE/kg). Formülasyonlar arasında en yüksek fenolik içerik ve antioksidan aktivite dut ve üzüm pekmezli örneklerde belirlenmiştir. Renk parametreleri hem formülasyon hem de depolama koşullarından önemli ölçüde etkilenmiş, yüksek sıcaklıkta depolanan örneklerde L* değerinin 39.47’den 35.23’e düşmesi ile daha koyu renk oluşumu gözlenmiştir. Tekstürel özellikler açısından üzüm pekmezi en yüksek sertlik (10852.1) ve çiğnenebilirlik (3979.39) değerlerini göstermiş, dut ve keçiboynuzu pekmezi ise daha yumuşak yapı oluşturmuştur. Depolama süresi boyunca sertlik ve çiğnenebilirlik değerlerinde artış gözlenmiştir. Sonuç olarak, pekmez kullanımı meyve barların fonksiyonel özelliklerini artırırken renk ve tekstür üzerinde önemli değişimlere neden olmuştur. Bu bulgular, fonksiyonel meyve bazlı atıştırmalıkların geliştirilmesinde formülasyon ve depolama koşullarının optimize edilmesi gerektiğini göstermektedir.

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Cite This Article

Eyiz, V., Tontul, İ. (2026). Effect of Different Molasses Types as Natural Binding Agents on the Physicochemical, Antioxidant, Color, and Textural Properties of Fruit Bars During Storage. Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 19 Sayı: 2, 393–408. https://doi.org/10.18185/erzifbed.1930384

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