MatchaDB

Research

The Global Matcha Research Library

737 papers, trials, theses and preprints that study matcha, gathered from PubMed, OpenAlex and Europe PMC, tagged by study type and topic, and linked back to every source. We keep abstracts and citations; the full text stays with its publisher.

Tip: use "quotes" for an exact phrase, OR between alternatives, and a minus to leave a word out, for example fluoride OR pesticide. Related words are matched too, so “EGCG” also finds “epigallocatechin.”

Popular searchesL-theanineEGCG and catechinsCaffeineFocus and memoryStress and sleepWeight and metabolismGut healthContaminantsPesticidesShade-growingAroma and flavorTea ceremony

1 study match for “sociodemographic factors”

2025Book or chapterFree to read

The association between caffeinated beverages consumption with sociodemographic factors, body mass index, and sleep quality among university students in health campus of Universiti Sains Malaysia

Nur Farzana Mohamad Zubir — Universiti Sains Malaysia Institutional Repository (Universiti Sains Malaysia)

… undergraduate students in the USM health campus as well as to determine the sociodemographic factors, BMI, and sleep quality association with frequency of caffeine intake. A convenience sampling study was conducted with 162 (n = 43 …

Observational (human)Cognition, mood and stressL-theanine and caffeineProcessing, milling and quality

How this library is built

Every record comes from three open scholarly indexes — PubMed, OpenAlex and Europe PMC — searched for the word “matcha.” Records are merged by DOI and PubMed ID so each study appears once. A paper is kept only if matcha appears in its title, abstract, author keywords or subject terms and the text is about tea or food, which filters out the surname Matcha, software called Matcha, and the Scandinavian verb “matcha” (to match).

Study type and topic tags are assigned automatically from each paper's own title, abstract and subject terms using fixed keyword rules — no guesses, and papers without an abstract are marked as unclassified. Automatic tagging is imperfect, so treat tags as a way to narrow a search, not as a verdict on a paper's quality. A study being listed here is not an endorsement of its findings.

Coverage: this is every indexed paper that names matcha, not every study of green tea or its compounds (those are far more numerous). Papers that mention matcha only in passing are hidden by default. Work that never uses the word “matcha,” and publications outside these indexes, are not included. The library was last rebuilt October 20, 2026.

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