ArticleBMC chemistry2025
On-line identification of chemical constituents in Polygoni Multiflori Radix and Polygoni Multiflori Radix Praeparata based on UHPLC-Q-Orbitrap-Linear Ion Trap-MS.
Article in BMC chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo rapidly characterize the chemical constituents of Polygoni Multiflori Radix and its processed form, Polygoni Multiflori Radix Preparata, utilizing ultra-high performance liquid chromatography coupled with quadrupole-orbitrap-linear ion trap high-resolution mass spectrometry (UHPLC-Q-Orbitrap-Linear Ion Trap-MS).
methodsChromatographic separation was achieved on an ACQUITY UPLC BEH phenyl column (1.7 μm, 2.1 × 100 mm) employing a gradient elution of methanol (A) and 0.1% formic acid aqueous solution (B). Mass spectrometric analysis was conducted using a heated electrospray ionization (H-ESI) source operated in negative ion mode. Data processing was performed using Thermo Scientific Compound Discoverer 3.0 software, integrating a self-constructed Polygoni Multiflori Radix MS and MS/MS spectral database. Compounds with a mass error tolerance of ≤ |5| ppm were tentatively identified via freestyle software and further validated by comparison with previously reported literature data.
resultsA total of 231 chemical constituents were tentatively identified through online analysis, comprising 64 stilbene glycosides, 28 anthraquinones, 38 flavonoids, 45 polyphenols, 18 amino acids, 7 naphthalenes, 6 chromones, 3 alkaloids, 5 fatty acids, and 17 other components. Following 24 h of processing, the levels of stilbene glycosides, free anthraquinones, torachrysone, and torachrysone-8-O-β-D-glucoside were observed to decrease, while the concentrations of dianthrones and bound anthraquinones exhibited a significant reduction. In contrast, the content of gallic acid increased markedly.
conclusionsThese findings provide a robust scientific foundation for further exploration of the active and toxic components in Polygoni Multiflori Radix and its processed form, Polygoni Multiflori Radix Preparata, contributing to a deeper understanding of their pharmacological and toxicological profiles.
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