Evidence map›Paper›PMID 40634365›Full record

ArticleNPJ science of food2025

Metabolomics and transcriptomics reveal the quality formation mechanism during the processing of black tea.

Mingjin Li, Hao Xu, Hongyu Chen, Fengjiao Ding, Qinji Li, Ziqiong Liu, Feiquan Wang, Xiaoli Jia, Yang Wu, Yun Sun and 1 more

Abstract read
In one paragraph

Article in NPJ science of food, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Mingjin Li *Key Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Hao Xu *Key Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Hongyu ChenKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Fengjiao DingKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Qinji LiKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Ziqiong LiuKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China.
Feiquan WangCollege of Tea and Food, Wuyi University, 354300, Wuyishan, China.
Xiaoli JiaCollege of Tea and Food, Wuyi University, 354300, Wuyishan, China.
Yang WuKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China. wy_forward@fafu.edu.cn.
Yun SunKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China. sunyun1125@126.com.
Shan JinKey Laboratory of Ministry of education for genetics, Breeding and Multiple Utilization of Crops, College of Horticulture, Fujian Agriculture and Forestry University, 350002, Fuzhou, China. jinshan0313@163.com.

Funding

Open Research Fund of China Oolong Tea Industry Collaborative Innovation Center 2024W02the Fujian Province University-Industry-Research Collaborative Innovation Project 2023N5013the Science and Technology Innovation Fund of Fujian Zhang Tianfu Tea Development Foundation FJZTF01
6 · The paper itself

Abstract

The dynamic changes of metabolites and their regulatory mechanisms during black tea processing are not yet fully clear. In this study, flavonoid glycosides, tea pigments, VTs, and FADVs were primarily influenced. The content of these components continuously increased during processing, reaching their maximum after fermentation, and then decreased after drying. Withering upregulated AM and GT genes, promoting the glycosylation of flavonoids; the upregulation of ANR and PPO genes facilitated the oxidative polymerization of catechins; and the upregulation of TPS, LOX, and HPL genes promoted terpenoid synthesis and fatty acid degradation. This led to an increase in the content of these components in withered leaves. The accumulation of these components during fermentation was mainly due to the disruption of cells during rolling, allowing enzymes and substrates to fully integrate and react during the prolonged fermentation process. The decline in compound during the drying was primarily attributed to thermal degradation.

Identifiers

PMID40634365
PMCPMC12241338

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.