Detection and Determination of Quercetin in Sour Cherry and Black Tea Samples by Fluorescent Probe Prepared by Green Hydrothermal Method Using Achillea Millefolium Extract

IF 2.8 3区 化学 Q2 CHEMISTRY, APPLIED
Haniye Iranmanesh, Elham Ashrafzadeh Afshar, Mohammad Ali Taher, Ceren Karaman, Hassan Karimi-Maleh
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Abstract

Quercetin (QCT), as an important flavonoid, has different properties including neuroprotective, anti-hyperlipidemia, decreasing blood pressure and neuroprotective effects. Hence precise determination of quercetin is noteworthy. Herein, a fast, simple, highly sensitive, and new fluorescent sensor was prepared based on Achillea Millefolium extract carbon dots stabilized on sodium alginate structure (CD/Na-Al). For confirm the reliability of synthesized sensor some characterization analysis were performed such as FT-IR and TEM. The CD/Na-Al was applied for the accurate recognition and measurement of QCT molecule. The operation mechanism for the analytical procedure was based on ‘‘turn-off’’ the fluorescence emission signal in 440 nm. The dynamic linear range was obtained in the range of 1–25 and 25–110 µM, with detection of limits equal to 0.32 and 3.9 µM respectively. The observations confirmed that the present method was able to detect trace amounts of quercetin in black tea and sur cherry with satisfy results.

Abstract Image

利用绿色水热法制备的荧光探针检测和测定酸樱桃和红茶样品中的槲皮素(Achillea Millefolium Extract
槲皮素(QCT)作为一种重要的类黄酮,具有不同的特性,包括神经保护、抗高脂血症、降低血压和神经保护作用。因此,精确测定槲皮素值得关注。本文基于海藻酸钠结构(CD/Na-Al)上稳定的蓍草提取物碳点,制备了一种快速、简单、高灵敏度的新型荧光传感器。为了证实合成传感器的可靠性,对其进行了一些表征分析,如傅立叶变换红外光谱和 TEM。CD/Na-Al 被用于准确识别和测量 QCT 分子。分析程序的运行机制基于 440 纳米波长的荧光发射信号 "关闭"。该方法的动态线性范围分别为 1-25 µM 和 25-110 µM,检测限分别为 0.32 µM 和 3.9 µM。结果表明,该方法能够检测出红茶和樱桃中的槲皮素,且结果令人满意。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Topics in Catalysis
Topics in Catalysis 化学-物理化学
CiteScore
5.70
自引率
5.60%
发文量
197
审稿时长
2 months
期刊介绍: Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.
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