Sayeok-tang (SYT) is a traditional herbal formula comprising three medicinal herbs: , , and . Several studies have employed liquid chromatography-mass spectrometry (LC-MS) to qualitatively analyze the components and metabolites of SYT in vitro and in vivo; however, studies on quantitative analysis of SYT, which is important for quality control, are absent or limited to only a few components. In this study, ultrahigh-performance liquid chromatography coupled with quadrupole (UPLC-Q)-Orbitrap-MS was used to screen the phytochemicals of SYT, revealing a total of 42 compounds. Among them, 24 compounds were simultaneously quantified within 20 min via UPLC-TQ-MS/MS in the multiple reaction monitoring mode. The developed analytical method was validated for its linearity ( ≥ 0.9992), precision (0.36-2.96%), accuracy (-6.52-4.64%), and recovery (94.39-119.07%) for all analytes, exhibiting acceptable results. The validated method was applied in the analysis of SYT extracts, and the 24 compounds were quantified in the range of 0.004-6.882 mg/g (CV ≤ 3.746%). Among them, liquiritin apioside (6.870-6.933 mg/g), glycyrrhizic acid (5.418-5.540 mg/g), and liquiritin (1.303-1.331 mg/g) from were identified as the relatively abundant compounds. The presented validated analytical method is highly promising for the comprehensive quality control of SYT, offering fast, highly sensitive, and reliable analysis.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11435331 | PMC |
http://dx.doi.org/10.3390/ph17091130 | DOI Listing |
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