OngTeh Editorial Team · Published 2026-10-26
True tea · green tea material
Contains caffeine
East Asia · Japan
What exactly is it?
Tencha comes from Camellia sinensis. In Uji tea production described by Japan’s agriculture ministry, covered tea leaves are steamed and dried without rolling.
Processing and preparation
After drying, stems and veins can be removed and the leaf material ground to make matcha. By comparison, gyokuro is also made from shade-grown leaves but is rolled and dried as leaf tea.
How it is served
A dry-leaf tencha reference should show leaf material, not loose green powder. Conversely matcha is the ground tea leaf consumed suspended in liquid.
Caffeine, ingredients and safety
Both tencha and matcha originate from a caffeine-containing tea plant. Serving exposure depends on the product and quantity; no shade-growing method makes a tea automatically caffeine-free.
Why the name can be confusing
Tencha is a processing stage, matcha is the ground form, and gyokuro is a different leaf-tea product. They should have separate reference entries rather than being treated as synonyms.
Claim-level source review
Checked 26 October 2026. The following narrow findings are traceable to their original publications. Their presence does not certify every statement elsewhere in this article or authenticate individual tea products.
Japan’s Ministry of Agriculture describes traditional Uji tencha as made from covered tea shoots that are steamed and dried without rolling. This differentiates it from the rolling stage of traditional gyokuro manufacture. [Processing comparison: Read processing comparison source ↗]
The ministry explains that stems and veins can be removed from tencha before the prepared leaf is stone-ground to produce matcha. Tencha leaf and finished matcha powder are therefore different product forms. [Tencha–matcha relationship: Read tencha–matcha relationship source ↗]
The same official account distinguishes open-air-grown sencha from shade-grown tencha, gyokuro and kabusecha. These definitions do not verify that a particular packet was produced in Uji or by the exact traditional process. [Scope of geographic source: Read scope of geographic source source ↗]
ISO 20715:2023 defines matcha production with shaded tea shoots, steaming, drying without rolling and fine grinding; this manufacturing definition does not validate a named factory or label claim. [Matcha and tencha processing scope: Primary source ↗]
Still open: remaining article claims, relevant regional variations and source updates; product origin, composition and health effects require separate evidence.
References and verification
How to cite this entry
OngTeh Editorial Team (2026). Tencha: the shaded Japanese leaf used to make matcha. OngTeh. https://ongteh.com/tea-japanese-tencha.html
This reference is compiled from identified primary or institutional sources. It is a description of a tea or cultural beverage tradition—not product authentication, a health recommendation or independent specialist certification. See our editorial standards.