Yifan Liu, Zihui Jin, Di Sun, Bo Xu, Tianyu Lan, Qiyang Zhao, Yue He, Jing Li, Yongliang Cui, Yaohai Zhang
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Preparation of hapten and monoclonal antibody of hesperetin and establishment of enzyme-linked immunosorbent assay.
Hesperetin is the aglycone of hesperidin and is widely found in the Rutaceae plants and herbal medicines. It exhibits antioxidant, detoxifying, anti-inflammatory, and antimicrobial properties, similar to hesperidin. It has also shown potential in the regulation of certain diseases. In order to detect hesperetin in complex matrix samples such as citrus and herbal, we developed an anti-hesperetin monoclonal antibody and established an indirect competitive enzyme-linked immunosorbent assay (icELISA). The half maximal inhibitory concentration (IC50) was determined to be 2.03 ng/mL, the detection range was 0.39-12.73 ng/mL. In practical sample testing, the concentration of hesperidin measured by icELISA is consistent with the result of UPLC-MS/MS, and the correlation coefficient (R2) is 0.97. These results showed that the established method has good accuracy, reproducibility and broad application prospects, and can be used for the detection of hesperetin in complex matrix samples (such as citrus and herbal samples).
期刊介绍：
Talanta provides a forum for the publication of original research papers, short communications, and critical reviews in all branches of pure and applied analytical chemistry. Papers are evaluated based on established guidelines, including the fundamental nature of the study, scientific novelty, substantial improvement or advantage over existing technology or methods, and demonstrated analytical applicability. Original research papers on fundamental studies, and on novel sensor and instrumentation developments, are encouraged. Novel or improved applications in areas such as clinical and biological chemistry, environmental analysis, geochemistry, materials science and engineering, and analytical platforms for omics development are welcome.
Analytical performance of methods should be determined, including interference and matrix effects, and methods should be validated by comparison with a standard method, or analysis of a certified reference material. Simple spiking recoveries may not be sufficient. The developed method should especially comprise information on selectivity, sensitivity, detection limits, accuracy, and reliability. However, applying official validation or robustness studies to a routine method or technique does not necessarily constitute novelty. Proper statistical treatment of the data should be provided. Relevant literature should be cited, including related publications by the authors, and authors should discuss how their proposed methodology compares with previously reported methods.
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