Fig 1.
Flower morphology of P. lactiflora.
Fig 2.
Qualitative and semi-quantitative analysis of metabolites.
A-B. Multipeak mass spectral chromatogram of metabolites acquired in negative ion mode (A) and positive ion mode (B). C. Pearson’s correlation coefficients among all the samples. D. Cluster analysis of the identified metabolites.
Fig 3.
Classification of detected metabolites.
Fig 4.
The identified metabolites analysis.
A. PCA score plot. B-D. OPLS-DA model plots for the comparison groups Pl-P vs. Pl-SP (B), Pl-S vs. Pl-P (C), Pl-S vs. Pl-SP (D).
Fig 5.
The differential metabolites analysis.
A-B. Volcano plot of differential metabolites of the comparison groups Pl-P vs. Pl-SP (A), Pl-S vs. Pl-SP (B). C. The venn diagram of differential metabolites in three comparison groups. D. Number of different types of common differential metabolites.
Table 1.
Statistics of the DAMs with putative antioxidant in comparison groups.
Fig 6.
Heatmap of tea polyphenols in Pl-SP compare with Pl-S.
Fig 7.
Dynamic distribution diagram of differences in metabolite content.
A. Pl-P vs. Pl-SP. B. Pl-S vs. Pl-SP.
Fig 8.
KEGG enrichment pathway differential metabolites.
A-B. Metabolic enrichment pathway analysis in comparative groups of Pl-P vs. Pl-SP (A), and Pl-S vs. Pl-SP (B). C-D. KEGG pathway maps of glucosinolate biosynthesis (C) and flavonoid biosynthesis (D).
Table 2.
Biological activity of petal, stamen petaloid tissue and stamen of P. lactiflora.