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Erschienen in:

04.01.2024 | Original Paper

Improved quantitative analysis of tenuifolin using hydrolytic continuous-flow system to build prediction models for its content based on near-infrared spectroscopy

verfasst von: Tatsuki Kitazoe, Chisato Usui, Eiichi Kodaira, Takuro Maruyama, Noriaki Kawano, Hiroyuki Fuchino, Kazuhiko Yamamoto, Yasushi Kitano, Nobuo Kawahara, Kayo Yoshimatsu, Tatsuya Shirahata, Yoshinori Kobayashi

Erschienen in: Journal of Natural Medicines | Ausgabe 2/2024

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Abstract

This study used two types of analyses and statistical calculations on powdered samples of Polygala root (PR) and Senega root (SR): (1) determination of saponin content by an independently developed quantitative analysis of tenuifolin content using a flow reactor, and (2) near-infrared spectroscopy (NIR) using crude drug powders as direct samples for metabolic profiling. Furthermore, a prediction model for tenuifolin content was developed and validated using multivariate analysis based on the results of (1) and (2). The goal of this study was to develop a rapid analytical method utilizing the saponin content and explore the possibility of quality control through a wide-area survey of crude drugs using NIR spectroscopy. Consequently, various parameters and appropriate wavelengths were examined in the regression analysis, and a model with a reasonable contribution rate and prediction accuracy was successfully developed. In this case, the wavenumber contributing to the model was consistent with that of tenuifolin, confirming that this model was based on saponin content. In this series of analyses, we have succeeded in developing a model that can quickly estimate saponin content without post-processing and have demonstrated a brief way to perform quality control of crude drugs in the clinical field and on the market.

Graphical abstract

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Metadaten
Titel
Improved quantitative analysis of tenuifolin using hydrolytic continuous-flow system to build prediction models for its content based on near-infrared spectroscopy
verfasst von
Tatsuki Kitazoe
Chisato Usui
Eiichi Kodaira
Takuro Maruyama
Noriaki Kawano
Hiroyuki Fuchino
Kazuhiko Yamamoto
Yasushi Kitano
Nobuo Kawahara
Kayo Yoshimatsu
Tatsuya Shirahata
Yoshinori Kobayashi
Publikationsdatum
04.01.2024
Verlag
Springer Nature Singapore
Erschienen in
Journal of Natural Medicines / Ausgabe 2/2024
Print ISSN: 1340-3443
Elektronische ISSN: 1861-0293
DOI
https://doi.org/10.1007/s11418-023-01764-0