Food · Teas
Genmaicha (Brown Rice Green Tea)
玄米茶 (Genmaicha)
Also known as: Brown Rice Tea, Popcorn Tea, Roasted Rice Green Tea
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| Category | Food |
|---|---|
| Japanese labeling name | 玄米茶 |
| Common Japanese notations | 玄米茶, げんまいちゃ |
| Origin | Blend of green tea (sencha or bancha) and roasted, occasionally popped, brown rice — typically 1:1 ratio |
| Typical functions | Affordable everyday tea blending green tea and roasted rice, Lower caffeine alternative to pure sencha, Foodservice meal-pairing tea |
| Regulatory status in Japan | JAS Standard for green tea (緑茶の日本農林規格) recognizes genmaicha as a green tea blend category. No specific GI designations. |
Genmaicha (玄米茶) — Japan's 'brown rice green tea' — blends roasted brown rice with green tea (typically sencha or bancha) in a roughly 1:1 ratio. The roasted rice adds nutty, toasted aromatic depth and dilutes the green tea content, producing a milder, lower-caffeine, more affordable everyday tea. The premium 'matcha-iri genmaicha' variant adds a small amount of matcha for vibrant green color and richer umami — and has become the dominant 'genmaicha' product in Western export markets, where it is often labeled simply as 'genmaicha' or 'popcorn tea.'
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Classification
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Product applications
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Loose-leaf genmaicha (mass-market and premium retail)
- Genmaicha tea bags
- Bottled RTD genmaicha (smaller category than sencha)
- Premium genmaicha with matcha (matcha-iri genmaicha) — the 'Western export favorite'
Ingredient profile
Genmaicha is produced by blending roasted brown rice (玄米) — sometimes 'popped' to expand into puffy white kernels resembling popcorn — with sencha or bancha green tea in a typical 1:1 weight ratio. The roasted rice contributes nutty/toasted aroma compounds (Maillard products) and a slightly sweet character that complements the green tea's grassiness.
The 'popped' form (so common that genmaicha is sometimes called 'popcorn tea' in English) results from the rice expanding when subjected to high-temperature roasting — adding visual appeal and stronger toasted character. Premium products use higher-grade base sencha; mass-market products use bancha for cost efficiency.
Matcha-iri genmaicha (抹茶入り玄米茶) — an enhancement adding 2–5% matcha to standard genmaicha — has become the dominant export-market form, providing vibrant green liquor, fuller umami, and visible matcha powder dissolution as a marketing distinction. Industrially supplied as loose-leaf, tea bags, and (smaller volume) RTD bottled formulations.
OEM applications
Daily meal-pairing tea — popular as an everyday tea at restaurants and homes, especially as an alternative to sencha for those preferring milder character or lower caffeine.
Casual foodservice — sushi restaurants and casual Japanese restaurants frequently serve genmaicha as the included tea.
Export-market premium positioning — matcha-iri genmaicha has become a standard 'authentic Japanese tea' offering in international Japanese restaurants and specialty tea retail, often outperforming pure sencha in Western export volumes.
For OEM: loose-leaf retail genmaicha (private-label), tea bag products, matcha-iri genmaicha (the higher-margin variant), and RTD bottled genmaicha (smaller category but established).
Regulatory classification in Japan
JAS Standard for green tea recognizes genmaicha as a green tea blend product.
Allergens: genmaicha contains rice but rice is not a designated allergen requiring mandatory disclosure under Japanese food labeling regulations.
Matcha-iri products: matcha addition must be declared in ingredient list.
Regulatory classification in other markets
| EU | Imported as Japanese green tea blend. Allergen labeling for any added ingredients (matcha additions are typically not allergen-relevant). |
|---|---|
| USA | Imported under FDA standard food procedures. Strong recognition as 'popcorn tea' in specialty Japanese tea retail. |
| China | Imported under GACC rules. Limited established market position; positioning as Japanese specialty tea. |
| Korea | Imported as Japanese specialty tea. Korea has its own brown rice tea (현미차); Japanese genmaicha positioned as premium specialty. |
Market reference formulations
Example finished products will be added after verification of base tea (sencha vs. bancha), rice form (whole vs. popped), matcha-iri grade, and product format.
All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.
Alternative ingredients
Related ingredients commonly evaluated as substitutes.
Quick answers
- What is Genmaicha (Brown Rice Green Tea)?
- Genmaicha (玄米茶) — Japan's 'brown rice green tea' — blends roasted brown rice with green tea (typically sencha or bancha) in a roughly 1:1 ratio. The roasted rice adds nutty, toasted aromatic depth and dilutes the green tea content, producing a milder, lower-caffeine, more affordable everyday tea. The premium 'matcha-iri genmaicha' variant adds a small amount of matcha for vibrant green color and richer umami — and has become the dominant 'genmaicha' product in Western export markets, where it is often labeled simply as 'genmaicha' or 'popcorn tea.'
- What is the regulatory status of Genmaicha (Brown Rice Green Tea) in Japan?
- JAS Standard for green tea (緑茶の日本農林規格) recognizes genmaicha as a green tea blend category. No specific GI designations.
- What products typically use Genmaicha (Brown Rice Green Tea)?
- Loose-leaf genmaicha (mass-market and premium retail) / Genmaicha tea bags / Bottled RTD genmaicha (smaller category than sencha) / Premium genmaicha with matcha (matcha-iri genmaicha) — the 'Western export favorite'
- Where does Genmaicha (Brown Rice Green Tea) come from?
- Blend of green tea (sencha or bancha) and roasted, occasionally popped, brown rice — typically 1:1 ratio
- What is the INCI / JSCI labeling name for Genmaicha (Brown Rice Green Tea)?
- JSCI: 玄米茶
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Regulatory guidance
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FAQ for OEM buyers
Q. Why is matcha-iri genmaicha the dominant export form?
Standard genmaicha brews to a pale yellow liquor — visually unimpressive compared to vibrant green pure matcha or sencha. Adding 2–5% matcha to genmaicha (matcha-iri genmaicha, 抹茶入り玄米茶) produces a vibrant green-yellow liquor that visually communicates 'authentic Japanese green tea' to export consumers, while preserving the milder, more accessible flavor profile of genmaicha. The visual appeal plus mild flavor plus lower price point (vs. pure matcha or premium sencha) makes matcha-iri genmaicha the optimal entry-level export product. Most 'Japanese green tea' served in Western Japanese restaurants is actually matcha-iri genmaicha rather than pure sencha.
Sources · Last reviewed: 2026-04-28
- Editorial — Japanese tea export market reference
Industry-knowledge claim — not yet pinned to a single primary source
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References
- 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — 玄米茶 浸出液 (16041)
- JAS Standard for green tea (緑茶の日本農林規格)
- Editorial — genmaicha export market reference
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.