Golden Star Hops

AromaAlpha 4.4 - 6.7%Japan

Flavor & aroma

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.

Substitution Tip

If you can't find Golden Star, the best alternatives are Fuggle, Saaz, or Sorachi Ace.

At A Glance

ProfileZesty Citrus, Crushed Green Herbs, and Bright Botanicals
PurposeAroma
Alpha Acid4.4 - 6.7%
SubstitutesFuggle, Saaz, Sorachi Ace
Pairs withHallertau (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 StylesJapanese 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)

Discovery Tags

Flavor/Aroma

Usage

Origin

Last Updated
  • 2026-05-20 16:48:32
Source(s)
  • Google Gemini