Abstract
Catalpa fruit is a traditional Chinese medicine (TCM) for diuresis and detumescence. Catalpa fruit pericarp (CFP) is often neglected due to the cracking after drying. In order to further investigate the value of CFP, this study proposed to develop a spectral and thermal analysis strategy to evaluate the quality of CFP for the first time. The Fourier transform infrared (FTIR), ultraviolet (UV) and differential scanning calorimetry (DSC) original fingerprints (OFPs) of 15 batches of CFP samples were established, and then, they were transformed into continuous peaks to obtain quantum fingerprints (QFPs), respectively. The correlation of Pm between the OFPs and QFPs was good (Pearson’s r > 0.9998), which could be inferred that QFPs had a promising application potential in quantitative analysis of TCM. Furthermore, based on the systematically quantified fingerprint method, the above three kinds of QFPs were fused in equal masses to prevent the error caused by a single technology. It was worth noting that different fingerprint techniques yielded varied evaluation results for CFP samples, and the fusion results showed that samples quality was within grade 5. This study developed a smart, applicable and efficient exploration mode for the quality evaluation of TCM and its related products.
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Abbreviations
- TCM:
-
Traditional Chinese medicine
- FIA:
-
Flowing injection analysis method
- OFPs:
-
Original fingerprints
- QFPs:
-
Quantum fingerprints
- CFP:
-
Catalpa fruit pericarp
- SQFM:
-
Systematically quantified fingerprint method
- SFP:
-
Sample fingerprint
- RFP:
-
Reference fingerprint
- RSD:
-
Relative standard deviation
- HCA:
-
Hierarchical cluster analysis
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Acknowledgements
Thanks to Ying Pang for her generous help in software.
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This research was supported by the National Natural Science Foundation of China (No. 81573586).
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WX helped in data curation, formal analysis, methodology, validation, visualization, writing—original draft, writing—review and editing and software. LL worked in methodology, investigation, formal analysis and writing—review and editing. ML helped in data curation, formal analysis and software. QC contributed to investigation, visualization and software. PG helped in writing—review and editing. GS worked in conceptualization, software, funding acquisition, resources and supervision.
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Xiao, W., Lan, L., Liu, M. et al. A smart spectral and thermal analysis strategy-based three-dimensional quantum profiling: application to quality evaluation of Catalpa fruit pericarp. J Therm Anal Calorim 148, 4235–4246 (2023). https://doi.org/10.1007/s10973-023-12053-z
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DOI: https://doi.org/10.1007/s10973-023-12053-z