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Isuzu Matcha, Marukyu Koyamaen - Thin Tea Grade

Marukyu Koyamaen matcha isuzu
$46.00
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An excellent introduction to traditional matcha, this Isuzu (“fifty bells”) grade is suitable for hot thin tea preparation (usucha), or for a memorable latte or iced drink. The bright, crisp vegetal notes are matched by a natural creaminess—reminiscent of almond milk—that makes each sip refreshing and inspiring.

For thin tea, try ~2 grams (2 chashaku scoops) matcha and 3 oz (1/3 cup) hot water (190°F) per serving, and whisk vigorously with a chasen in a chawan or other wide bowl for about 20 seconds. Experiment with the amount of water and temperature to find your preferred formula.

Marukyu Koyamaen first began production 350 years ago in Ogata, Uji. Now on its eighth generation, this family-owned company continues to be highly esteemed for its standard of high quality and consistent product. It ranks among the foremost Japanese matcha producers, and has won many national prizes. Careful processing yields the vibrant neon-green color of the powder, and its beautifully balanced flavor.

Country: Japan
Region: Uji
Tasting Notes: grassy, green apple, iceberg lettuce
Harvest Season: Spring 2026

40 g tin (about 20 servings)


What's the date on my matcha tin?

Marukyu Koyamaen is a 300-year-old company with a fastidious standards, which is how we like it. Stamped on their packaging are "best by" dates, which mark exactly six months from when the tea inside is ground. Matcha doesn't expire in the sense of going bad, but it's the company's reminder that green tea—and especially matcha—is ideally consumed close to harvest. Many matcha brands on store shelves have a much longer latency between manufacture and sale. Koyamaen is especially cautious in this regard.

This matcha has been sealed with a nitrogen-flushing process that removes excess oxygen from inside the package. That means it's effectively in suspended animation, unable to oxidize, until the tin or bag is opened. In our experience, matcha that's stored in these sealed conditions retains optimal freshness for 1 year after milling. Once that seal is broken, we recommend finishing the matcha within six months, and storing it in the refrigerator between sessions to maintain the best flavor.

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