Rapid evaluation of antioxidant activity of Rheum tanguticum: A synergistic strategy of near-infrared spectroscopy, chromatographic effects, and machine learning
[Display omitted] This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-d...
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| Published in | Food Chemistry: X Vol. 31; p. 103019 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Netherlands
Elsevier Ltd
01.10.2025
Elsevier |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2590-1575 2590-1575 |
| DOI | 10.1016/j.fochx.2025.103019 |
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| Abstract | [Display omitted]
This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of Rh. tanguticum, offering a reference for future applications in other fields.
•Established HPLC fingerprint for Rheum tanguticum extracts.•Identified key chemical compound driving antioxidant activity.•Developed rapid NIR spectroscopy models for antioxidant evaluation.•Achieved high prediction accuracy with the verification rate above 83 %.•Provided new insights for the antioxidant research of agricultural crops and foods. |
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| AbstractList | This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of
. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of
, offering a reference for future applications in other fields. [Display omitted] This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of Rh. tanguticum, offering a reference for future applications in other fields. •Established HPLC fingerprint for Rheum tanguticum extracts.•Identified key chemical compound driving antioxidant activity.•Developed rapid NIR spectroscopy models for antioxidant evaluation.•Achieved high prediction accuracy with the verification rate above 83 %.•Provided new insights for the antioxidant research of agricultural crops and foods. This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of Rh. tanguticum, offering a reference for future applications in other fields. This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of Rh. tanguticum, offering a reference for future applications in other fields.This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively characterized the complex chemical composition, identifying 13 compounds. Meanwhile, NIR spectroscopy provided a rapid, non-destructive approach to predict antioxidant capacity. The combination of these techniques offers a holistic and efficient strategy for evaluating antioxidant activity. The spectrum-effect relationships were analyzed by correlating the results of three antioxidant assays (ABTS, DPPH, and FRAP) with the peak areas of the common peaks identified by HPLC. Glycosylated anthraquinones, particularly conjugated forms like rhein-8-O-glucoside, were found to synergistically enhance antioxidant activity with free aglycones. NIR models optimized using the PLS method with Python-based algorithms demonstrated strong predictive abilities, achieving RPD values of 2.43 for ABTS, 2.63 for DPPH, and 2.43 for FRAP. This research provides a rapid method to evaluate the antioxidant capacity of Rh. tanguticum, offering a reference for future applications in other fields. |
| ArticleNumber | 103019 |
| Author | Sun, Jing Song, Xiaoming Feng, Dan Zang, Liyan Li, Hongmei Li, Jiamin |
| Author_xml | – sequence: 1 givenname: Xiaoming surname: Song fullname: Song, Xiaoming organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China – sequence: 2 givenname: Dan surname: Feng fullname: Feng, Dan organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China – sequence: 3 givenname: Jiamin surname: Li fullname: Li, Jiamin organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China – sequence: 4 givenname: Liyan surname: Zang fullname: Zang, Liyan organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China – sequence: 5 givenname: Hongmei surname: Li fullname: Li, Hongmei organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China – sequence: 6 givenname: Jing surname: Sun fullname: Sun, Jing email: sunj@nwipb.cas.cn organization: Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China |
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| Cites_doi | 10.1016/j.jff.2024.106491 10.1016/j.lwt.2024.116968 10.1016/j.jep.2024.118475 10.1016/j.talanta.2023.125136 10.1002/jssc.201300648 10.1016/j.jep.2024.117706 10.1016/j.heliyon.2025.e41746 10.1016/j.chroma.2022.463118 10.1002/cem.3641 10.3389/fnut.2021.770264 10.1177/1934578X251322868 10.1111/1750-3841.70025 10.1016/j.lwt.2025.117487 10.1016/j.indcrop.2022.115745 10.1080/13510002.2024.2365590 10.1016/j.microc.2024.110687 10.1134/S1068162024040319 10.1016/j.foodchem.2022.133840 10.1016/j.biopha.2020.110224 10.1016/j.foodchem.2024.141529 10.31083/j.jin2306122 |
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| Keywords | Rheum tanguticum Spectrum-effect relationship NIR spectroscopy Antioxidant activity |
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This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting... This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of . HPLC fingerprinting comprehensively characterized the... This study integrates HPLC fingerprinting and NIR spectroscopy to evaluate the antioxidant capacity of Rheum tanguticum. HPLC fingerprinting comprehensively... |
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| SubjectTerms | Antioxidant activity NIR spectroscopy Rheum tanguticum Spectrum-effect relationship |
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| Title | Rapid evaluation of antioxidant activity of Rheum tanguticum: A synergistic strategy of near-infrared spectroscopy, chromatographic effects, and machine learning |
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