Wang Chenzhao, Yang Jiawei, Gu Xinru, Wang Haiqiang, Wang Xiujuan, Wang Zhibing, Sun Guoying
School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China.
School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China.
Food Chem. 2025 Apr 30;472:142886. doi: 10.1016/j.foodchem.2025.142886. Epub 2025 Jan 13.
Resveratrol (Res), a natural antioxidant widely found in fruits, plays a crucial role in preventing various diseases. However, traditional detection methods usually rely on large amounts of toxic solvents, leading to high costs and potential health risks to researchers. In this work, an economical, green, rapid, and sensitive method for Res detection was developed using banana peel-derived nitrogen-doped carbon dots (BP-N-CDs) as fluorescent sensors. Banana peels, an abundant and renewable waste biomass, served as an excellent carbon source, providing economic benefits while promoting environmental sustainability. Using o-phenylenediamine (OPD) as the nitrogen source further enhanced the photoluminescent properties of BP-N-CDs, resulting in bright fluorescence and exceptional stability. Through the inner filter effect, Res rapidly quenched the fluorescence of BP-N-CDs within 10 s. This method demonstrated excellent selectivity and sensitivity for Res with a limit of detection (LOD) of 2.21 ng/mL, and was successfully applied to food sample analysis. The greenness assessments further confirmed the eco-friendly and sustainable nature of the method. This work offered a novel and green approach for Res detection and provided valuable insights for the synthesis and optimization of biomass-derived carbon dots.
白藜芦醇（Res）是一种广泛存在于水果中的天然抗氧化剂，在预防各种疾病中起着关键作用。然而，传统的检测方法通常依赖大量有毒溶剂，导致成本高昂且给研究人员带来潜在健康风险。在这项工作中，开发了一种经济、绿色、快速且灵敏的白藜芦醇检测方法，使用香蕉皮衍生的氮掺杂碳点（BP-N-CDs）作为荧光传感器。香蕉皮是一种丰富且可再生的废弃生物质，作为一种优质碳源，在促进环境可持续性的同时带来经济效益。使用邻苯二胺（OPD）作为氮源进一步增强了BP-N-CDs的光致发光性能，产生明亮荧光和出色稳定性。通过内滤效应，白藜芦醇在10秒内迅速淬灭BP-N-CDs的荧光。该方法对白藜芦醇表现出优异的选择性和灵敏度，检测限（LOD）为2.21 ng/mL，并成功应用于食品样品分析。绿色度评估进一步证实了该方法的生态友好和可持续性质。这项工作为白藜芦醇检测提供了一种新颖的绿色方法，并为生物质衍生碳点的合成和优化提供了有价值的见解。
