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Golden Star Hops
AromaAlpha 4.4 - 6.7%Japan
Golden Star stands as a fascinating and highly specialized achievement in Japanese brewing science, offering a historic window into old-school aroma cultivation. Isolated by Dr. Y. Mori at the Sapporo Holdings Lts. as a distinct natural bud mutation of Shinshuwase, this rare variety shares its deep pedigree with open-pollinated lines of classic Saaz and Whitebine. Visually striking in the yard due to its unique, yellowish-light-green foliage—particularly at the vine tips—Golden Star was originally selected to give regional farmers an edge with improved field yields and robust resistance against downy mildew. However, it remains an elusive agricultural treasure grown almost exclusively within Japan, largely because its delicate, fragile cones shatter easily during harvest. This mechanical sensitivity makes it a rare, vintage secret weapon primarily utilized for ultra-crisp, regional Japanese lagers.
The profile of Golden Star offers a vibrant, energetic departure from typical continental European aroma varieties, delivering a highly focused sensory experience. Driven by an exceptionally high myrcene oil concentration that accounts for more than half of its total essential oil volume, it punches forward with an upfront bouquet of bright, zesty citrus and freshly crushed green herbs. This lively, clean top-note is perfectly balanced by a remarkably low humulene fraction, which keeps heavy, damp, or woody undertones completely at bay. The result is a profoundly crisp, bright aromatic signature that integrates effortlessly into light, pale grain bills, elevating simple malt structures with an unmistakable splash of distinctive Asian terroir.
If you can't find Golden Star, the best alternatives are Fuggle, Saaz, or Sorachi Ace.
At A Glance
| Profile | Zesty Citrus, Crushed Green Herbs, and Bright Botanicals |
|---|---|
| Purpose | Aroma |
| Alpha Acid | 4.4 - 6.7% |
| Substitutes | Fuggle, Saaz, Sorachi Ace |
| Pairs with | Hallertau (to introduce a sweet wildflower and light baking spice elegance alongside the sharp/zesty citrus top notes), Saaz (to double down on a classic/sharply spicy Bohemian profile while smoothing out the finish), Sorachi Ace (to amplify a bold/modern/and intensely focused lemon-herbaceous Japanese profile) |
| Beer Styles | Japanese Rice Lagers, Monastic Table Ales, Belgian Dubbels, European Pilsners |
General Information
| Country | Japan |
|---|---|
| Alias | USDA 21039 |
| Storage Stability | Retains 64% alpha acid |
Brewing Chemistry (Acids & Oils)
| Alpha Acid | 4.4 - 6.7% |
|---|---|
| Beta Acid | 3.8 - 5.5% |
| Cohumulone | 50.0% |
| Total Oil | 0.4 - 1.0 ml/100g |
| Myrcene | 57.1% |
| Humulene | 12.5 - 13.0% |
| Caryophyllene | 5.2% |
| Farnesene | 0.0% |
Growth & Cultivation
| Yield | 1,600 - 2,000 lbs/acre |
|---|---|
| Maturity | Late Season |
| Resistant | Downy Mildew (High) |
| Growth Rate | Very Good / Vigorous |
| Ease of Harvest | Difficult (Cones are fragile, pick poorly, and shatter very easily when grown seeded). |
| Sex | Female |
| Leaf Color | Yellowish Light Green (distinctly prominent at the leaf tips) |
| Side Arm Length | 20" - 36" (Moderate to Long) |
- 2026-05-20 16:48:32
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