ArticleFrontiers in nutrition2023
Comprehensive metabolic analyses provide new insights into primary and secondary metabolites in different tissues of Jianghua Kucha tea (
Article in Frontiers in nutrition, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 9 citations in OpenAlex.
- Green and Energy-Efficient Post-Harvest Enhancement: Low-DoseAntioxidants (Basel, Switzerland) · 2026Article
- Systematic Identification of Characteristic Metabolites and Analysis of Quality and Metabolomic Profiles of Yunnan Kucha White Tea.Foods (Basel, Switzerland) · 2026Article
- Integrated Transcriptomic and Metabolomic Analysis Reveals Metabolic Heterosis in Hybrid Tea Plants (Genes · 2025Article
- Multi-omics analysis of the mechanisms of abundant theacrine and EGCG3"Me in tea (Camellia sinensis).BMC plant biology · 2025Article
- Influence of Primary Light Exposure on the Morphophysiological Characteristics and Phenolic Compounds Accumulation of a Tea Callus Culture (International journal of molecular sciences · 2024Article
- Metabolomic discoveries for early diagnosis and traditional Chinese medicine efficacy in ischemic stroke.Biomarker research · 2024Review
- Effect of Leaf Grade on Taste and Aroma of Shaken Hunan Black Tea.Foods (Basel, Switzerland) · 2023Article
- Analysis of the response mechanisms ofFrontiers in plant science · 2023Article
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Authors and funding
9 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Background: Jianghua Kucha (JHKC) is a special tea germplasm with enriched specialized secondary metabolites, including theacrine, non-epimeric flavanols and methylated flavanols. Moreover, primary metabolites provide precursors and energy for the production of secondary metabolites. However, the accumulation patterns of primary and secondary metabolites in different tissues of JHKC are unclear. Methods: The changes of primary and secondary metabolites and related metabolic pathways (primary and secondary metabolism) in different JHKC tissues (the bud, 1st-4th leaves, and new stem) were investigated via metabolomics analysis with ultra-high-performance liquid chromatography quadrupole time-of-flight mass spectrometry (UHPLC-QTOF/MS). Results: Significant differences were observed in 68 primary and 51 secondary metabolites mainly related with the pathways of starch and sucrose, amino acids, caffeine, and flavanols metabolism and TCA cycle. The bud exhibited higher levels of glucose-6-phosphate, citric acid, most amino acids, theobromine, catechin-gallate, epicatechin-gallate, procyanidins, and theasinensins; the 1st leaf showed higher levels of caffeine and epigallocatechin-3-gallate; and the 4th leaf contained higher levels of most monosaccharides, theacrine, and epigallocatechin-3-O-(3"-O-methyl)-gallate. In addition, primary metabolites and important secondary metabolites had certain correlations. Conclusion: This study provides comprehensive insight into primary and secondary metabolites in JHKC and offers guidelines for efficiently utilizing specialized metabolites of JHKC in the future.
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