AI Article Synopsis
- A total of 65 phenolic acid compounds were identified using UHPLC-MS/MS, including 17 novel -HAP glycosides, marking a first targeted profiling effort through molecular networking.
- Characteristic product ions of the MS/MS spectra were analyzed, leading to the discovery of a new glycoside named 2'--caffeoyl--HAP-4---D-glucopyranoside, confirmed through 1D and 2D NMR data.
- The study also revealed significant regional differences in the distribution of -HAP glycosides, with higher concentrations found in certain regions, suggesting their potential medicinal uses.
Article Abstract
A total of 65 phenolic acid compounds were annotated or identified by UHPLC-MS/MS method, among them, 17 -HAP (-hydroxyacetophenone) glycosides were firstly targeted profiled based on molecular networking. Their characteristic product ions of MS/MS spectra were found and examined on the guideline of targeted isolation. As a result, a new -HAP glycoside was thus obtained and determined as 2'--caffeoyl--HAP-4---D-glucopyranoside () based on 1D and 2D NMR data. Besides, multicomponents quantitative analysis indicated the distinct regional variability in chemicals distribution of , and meanwhile, the contents of -HAP glycosides from were higher than those in as a whole, which further suggested the potential medicinal value of .
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| http://dx.doi.org/10.1080/10286020.2023.2287665 | DOI Listing |
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