Green extract surface-coated electrospun cellulose nanofibers as an efficient, reversible, and reusable smart colorimetric sensor for real-time monitoring of chicken freshness

IF 3.6 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Muhammad Asim Iqbal , Sabeen Gohar , Yoshinori Yabuta , Liang Fanghua , Wang Ling , Muhammad Farooq , Muhammad Nauman Sarwar , Gopiraman Mayakrishnan , Ick Soo Kim
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Abstract

Smart colorimetric sensor for the naked-eye detection of food freshness is considered as the most attractive tool in food safety. Herein, we prepared curcumin (CUR) coated electrospun regenerated cellulose nanofiber (RCA) composites (CUR-Cot), to monitor the real-time spoilage of raw chicken. The physicochemical properties of the CUR-Cot sensor were completely studied. The surface modification, morphology, crystalline nature, and thermal stability of CUR-Cot were investigated by using various spectral, analytical, and microscopic techniques. Based on the results, the successful coating of CUR on the surface of RCA was confirmed. Interestingly, the CUR-Cot showed a significant change in total color difference value (ΔE, 0 days − 0.0–14.93, after 1 day – 14.93–23.64, after 2 days – 23.64–44.78, after 3 days- 44.78–55.22, and after 4 days – 55.22–60.96, detectable by the naked eye) in the real-time monitoring for chicken freshness. In addition, the present CUR-Cot smart colorimetric sensor is reversible with change in pH, and the reversed sensor can be reused. Furthermore, the hydrophobic nature of the CUR-Cot was confirmed by water contact angle analysis (WCA, contact angle of 90 ± 3.00), which increases its application and adaptability. Good antibacterial, barrier, and optical properties of the present CUR-Cot were also found. Overall, the results confirm that the usage of CUR-Cot sensor can be highly efficient, user-friendly, and non-destructive for the real-time monitoring of chicken freshness.

Abstract Image

绿色提取物表面涂层电纺纤维素纳米纤维作为一种高效、可逆、可重复使用的智能比色传感器,用于实时监测鸡肉新鲜度
肉眼检测食品新鲜度的智能比色传感器被认为是食品安全领域最具吸引力的工具。在此,我们制备了姜黄素(CUR)涂层的电纺再生纤维素纳米纤维(RCA)复合材料(CUR-Cot),用于实时监测生鸡肉的腐败情况。对 CUR-Cot 传感器的理化特性进行了全面研究。利用各种光谱、分析和显微技术研究了 CUR-Cot 的表面改性、形态、结晶性质和热稳定性。结果表明,在 RCA 表面成功涂覆了 CUR。有趣的是,在对鸡肉新鲜度的实时监测中,CUR-Cot 显示了总色差值的显著变化(ΔE,0 天 - 0.0-14.93,1 天后 - 14.93-23.64,2 天后 - 23.64-44.78,3 天后 - 44.78-55.22,4 天后 - 55.22-60.96,肉眼可察觉)。此外,本 CUR-Cot 智能比色传感器可随 pH 值变化而逆转,逆转后的传感器可重复使用。此外,水接触角分析(WCA,接触角为 90 ± 3.00)证实了 CUR-Cot 的疏水性,这增加了其应用性和适应性。此外,还发现本 CUR-Cot 具有良好的抗菌性、阻隔性和光学特性。总之,研究结果证实,使用 CUR-Cot 传感器可以高效、方便、无损地实时监测鸡肉的新鲜度。
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来源期刊
Current Research in Biotechnology
Current Research in Biotechnology Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
6.70
自引率
3.60%
发文量
50
审稿时长
38 days
期刊介绍: Current Research in Biotechnology (CRBIOT) is a new primary research, gold open access journal from Elsevier. CRBIOT publishes original papers, reviews, and short communications (including viewpoints and perspectives) resulting from research in biotechnology and biotech-associated disciplines. Current Research in Biotechnology is a peer-reviewed gold open access (OA) journal and upon acceptance all articles are permanently and freely available. It is a companion to the highly regarded review journal Current Opinion in Biotechnology (2018 CiteScore 8.450) and is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy-of editorial excellence, high-impact, and global reach-to ensure they are a widely read resource that is integral to scientists' workflow.
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