Metabolic Composition and Quality Traits of <i>Polygonatum cyrtonema</i> Hua from Different Germplasms and Age Sections Based on Widely Targeted Metabolomics Analysis.

The metabolic and pentose phosphate pathways mainly involve sugar alcohol metabolites, most of which were found at the highest relative levels in the one-year age section (AT) and showed a decreasing trend with increasing age.

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The samples were analysed by PCA and HCA, which showed a clear trend of separation and significant differences between the three groups of samples (AT, BT, and CT), indicating that the different age sections had varying metabolic profiles ( Figure S2C,D ).

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