Marukyu-Koyamaen vs Midori Spring
Marukyu-Koyamaen sources from Uji, Japan while Midori Spring sources from Shizuoka, Indonesia, giving each brand a distinct terroir and flavor profile. On testing transparency, Midori Spring (Tier 2) discloses more than Marukyu-Koyamaen (Tier 4), though neither publishes a full numeric ppb COA. On price, Midori Spring is $0.20/g less expensive per gram ($1.13/g vs $0.93/g).
At a Glance
Marukyu-Koyamaen
- Origin
- Uji, Japan
- Grade
- Ceremonial
- Price per gram
- $1.13/g
- Organic
- Not certified
- Testing
- No public testing information found
- Last verified
- June 24, 2026
Midori Spring
- Origin
- Shizuoka, Indonesia
- Grade
- Ceremonial
- Price per gram
- $0.93/g
- Organic
- ORGANIC
- Testing
- Publishes COA (non-numeric)
- Last verified
- June 27, 2026
Key Differences
Price per gram
Better valueMarukyu-Koyamaen
$1.13/g
Midori Spring
$0.93/g
Midori Spring is $0.20/g less per gram (18% difference).
Origin
DifferentMarukyu-Koyamaen
Uji, Japan
Midori Spring
Shizuoka, Indonesia
Marukyu-Koyamaen sources from Uji, Japan. Midori Spring sources from Shizuoka, Indonesia. Different growing regions produce distinct flavor profiles.
Organic certification
CertifiedMarukyu-Koyamaen
Not certified
Midori Spring
ORGANIC
Midori Spring holds organic certification. Marukyu-Koyamaen does not have a publicly confirmed organic certification.
Testing transparency
More transparentMarukyu-Koyamaen
No public testing information found
Midori Spring
Publishes COA (non-numeric)
Midori Spring discloses more testing information. Lower transparency tier means more public disclosure.
Which Should You Choose?
Choose Midori Spring if:
- You want the lower price per gram
- Testing transparency is important to you
- Organic certification matters to you
Heavy Metal Testing
Marukyu-Koyamaen
No published numeric heavy metal results found.
Last checked June 24, 2026.
Midori Spring
Numeric heavy metal results are publicly available.
Last checked June 27, 2026.
Source: brand-published COAs and independent test results. Values are from specific batches and dates. The absence of published data does not indicate safety or danger. Last verified: Marukyu-Koyamaen June 24, 2026, Midori Spring June 27, 2026.
Full Comparison
| Attribute | Marukyu-Koyamaen | Midori Spring |
|---|---|---|
| Origin and Production | ||
Origin | Uji, Japan | Shizuoka, Indonesia |
Grade | Ceremonial | Ceremonial |
Country | Japan | Indonesia |
Region | Uji | Shizuoka |
| Price and Value | ||
Price per gram? | $1.13/g | $0.93/g |
Price as of | 2026-06 | 2026-06-27 |
| Organic Certification | ||
Organic status | -- | ORGANIC |
| Testing and Transparency | ||
Testing transparency | -- | Publishes COA (non-numeric) |
Publishes numeric lab results | -- | -- |
Third-party testing disclosed | -- | Yes |
Pesticide testing | -- | Yes |
Published lead test result | No published results found (checked June 24, 2026) | 135 ppm |
Published cadmium test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Published arsenic test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Published mercury test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Last verified | June 24, 2026 | June 27, 2026 |
Frequently Asked Questions
Related comparisons
All data in this comparison is sourced from publicly available COAs, brand websites, and independent test results. Every safety data point carries its source and last-verified date. Steady Matcha does not conduct or claim ownership of third-party test results for other brands. Brand information changes: verify current status before purchasing.