期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 71, 期 19, 页码 7604-7617出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.2c08372
关键词
Garcinia; edible fruit; metabolomics; cytotoxic; anti-inflammatory; antibacterial; biomarkers; chemometrics
This study conducted a comprehensive metabolomic and bioactivity evaluation of different plant parts from Garcinia yunnanensis and Garcinia xanthochymus. Differences in metabolite profiles and bioactivity were observed among different plant parts. The seeds and latex of both species exhibited excellent cytotoxic and antibacterial activities, while the roots of G. xanthochymus and the arils of G. yunnanensis showed strong anti-inflammatory effects.
In China, the endemic species Garcinia yunnanensis and native Garcinia xanthochymus are known as edible and medicinal plants. However, a systematic metabolomic and bioactivity evaluation of different plant parts from both species is lacking. In this study, comprehensive investigations of 11 plant parts of G. yunnanensis and 10 of G. xanthochymus employing UPLC-ESI-QTOF-MSE-based metabolomic analysis in conjunction with three bioactivity assays were undertaken. A customized chemotaxonomic-based in-house library containing 6456 compounds was constructed and coupled to the Progenesis QI informatic platform for metabolite annotations. From these two species, a total of 235 constituents were characterized using multiple criteria. Differences in metabolite profiles between the plant parts within each species were uncovered using multivariate analysis. Based on orthogonal partial least-squares discriminant analysis (OPLS-DA), 23 markers were identified as highly differential metabolites from G. xanthochymus and 20 from G. yunnanensis. Comparative assessment of the biological assays revealed the activity variations among different plant parts. The seeds of both species and G. yunnanensis latex exhibited excellent cytotoxic and antibacterial activities, while G. xanthochymus roots and G. yunnanensis arils showed strong anti-inflammatory effects. S-plot analysis identified 26 potential biomarkers for the observed activities, including the known cytotoxic agent cycloxanthochymol and the anti-inflammatory compound garcimultiflorone B, which likely explains some of the potent observed bioactivity.
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