At a glance

Producer

Katsunuma Jyozo Co., Ltd.

Region

Yamanashi Prefecture, Japan

Grape variety

Koshu

Wine type

White

Body

Light-bodied and Crisp

Sweetness

Dry

Typical price

$20-$30

Tasting profile

Crisp citrus and white peach aromas with subtle floral notes and mineral undertones.

Evolution: Over next few years develops richer stone fruit and honeyed complexity while maintaining refreshing acidity.

At peak: Balanced fresh acidity with layered fruit and mineral nuances, elegant finish.

Structure

Acidity

High

Tannins

None (white wine)

Alcohol

12-13%

Aging potential

8-10 years

Drinking window

Peak drinking

2023 to 2026

Optimal window

2022 to 2028

Current status

Approaching optimal drinking window

Current condition

Fresh with good acidity and developing complexity

Koshu grape’s natural high acidity and moderate alcohol from Yamanashi’s cool climate allow this wine to develop complexity without losing freshness. The 2020 vintage was characterized by balanced ripening supporting extended aging potential.

Food pairing

Ideal with sashimi, light fish dishes, grilled vegetables, and salads. Complements delicate Asian cuisine well.

Serving

Serving temperature

8-10°C / 46-50°F

Decant

Not required

Sustainability

Sustainability score: 7/10

Water conservation via drip irrigation; energy-efficient winery systems; lightweight packaging to reduce materials

Katsunuma Jyozo emphasizes sustainable farming methods typical for Koshu producers in Yamanashi. Although lacking formal certifications, they prioritize environmental stewardship with practices to reduce resource use and optimize winery efficiency. Carbon impact is moderated by regional focus but exports do add to footprint.