期刊
MOLECULES
卷 26, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/molecules26020284
关键词
ginseng berry pomace; metabolite profiling; ultrahigh-pressure treatment; solvent-solvent extraction; antioxidant activity
资金
- Konkuk University Researcher Fund
- Next-Generation BioGreen 21 Program [PJ01334603]
- Rural Development Administration, Republic of Korea
This study discovered that ginseng berry pomace contains rich bioactive components, with differences in metabolite composition after ultra-high-pressure treatment. Fractionation with different solvents yielded compounds such as phenolics, polar ginsenosides, and fatty acids, which showed positive correlations with antioxidant activity. These findings provide valuable insights for the development of high-quality ginseng berry products.
Ginseng berry pomace (GBP) is a byproduct of ginseng berry processing and is rich in numerous bioactive components, including ginsenosides and their derivatives. The application of GBP as a beneficial biomaterial is currently limited. In this study, we aimed to evaluate their potential as a promising source of bioactive compounds using metabolite profiling. The GBP obtained after different ultra-high-pressure (UHP) treatments was analyzed by GC-TOF-MS and UHPLC-LTQ-Orbitrap-MS/MS. In multivariate analyses, we observed a clear demarcation between the control and UHP-treated groups. The results demonstrated that the relative abundance of primary metabolites and a few ginsenosides was higher in the control, whereas UHP treatment contained higher levels of fatty acids and sugars. Furthermore, GBPs were fractionated using different solvents, followed by UHPLC-LTQ-Orbitrap-MS/MS analyses. The heatmap revealed that phenolics (e.g., quercetin, kaempferol) and fewer polar ginsenosides (e.g., F4, Rh2) were abundant in the ethyl acetate fraction, whereas the levels of lignans (e.g., 7-hydroxysecoisolariciresinol, syringaresinol) and fatty acids (e.g., trihydroxy-octadecenoic acid, oxo-dihydroxy-octadecenoic acid) were high in chloroform. Correlation analysis showed that phenolics, less polar ginsenosides, and fatty acids were positively correlated with the antioxidant activity of GBP. Our study highlights GBP as a functional ingredient for the development of high-quality ginseng berry products.
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