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Yama Budou is grown organically in a small village called Kuji in Iwate Prefecture. Farmer Sasaki san’s father started this farm in 1971 to save these rare grapes from becoming extinct.
Decades later, Kuji is now one of the very few regions in the world producing Yama Budou.
No synthetic fertilizers, pesticides, or herbicides for over 50 years. After juicing, the warm grape pomace is upcycled into compost, becoming a natural fertilizer that nourishes the soil.
This is the kind of ingredient and farmer you’re supporting when you purchase this product.
The Yama Budou grapes are slow-pressed and sealed in an airtight tank, then aged for three years. Because it never ferments, it remains in its pure juice form. Thanks to Iwate’s alpine climate, bitterness transforms into a smooth, velvety complexity rarely found in fruit juice.
Behind this process lies a fruit unlike any other.
Yama Budou: Japan’s Rare Wild Grape
Hidden deep in the cold mountains of northern Japan grows one of the country’s rarest fruits: Yama Budou, or “Japanese Mountain Grape.” It’s one of only two native grape varieties in Japan—small in size, bold in nutrients, and once nearly extinct.
Centuries ago, the ancient Japanese relied on these antioxidant-rich grapes as a traditional remedy. Today, a small, family-run farm in Iwate Prefecture is preserving that legacy.
A practical guide to Japanese ingredients — origins, craft, and applications for both home and pro kitchens.