Styrian EaglevsHerkules

Styrian Eagle (dual purpose) and Herkules (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Styrian Eagle

Dual purpose

Alpha acid

12.5–17.5%

Beta acid

3.5–5.5%

Total oil

2.5–4.6 mL

Slovenia

Herkules

Bittering

Alpha acid

12–17%

Beta acid

4–5.5%

Total oil

1.4–2.4 mL

Germany

Key differences

When to pick Styrian Eagle

  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

When to pick Herkules

  • Bittering workhorse - efficient in the mash

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Styrian Eagle

BerryBananaPineBlack currantPeach

Only in Herkules

CitrusMelon

Property

PropertyStyrian EagleHerkules
Alpha acid12.5–17.5%12–17%
Beta acid3.5–5.5%4–5.5%
Co-humulone20–23%32–38%
Total oil2.5–4.6 mL1.4–2.4 mL
Myrcene52–60%30–50%
Humulene0–2.5%30–45%
Caryophyllene4–7%7–12%
Farnesene6–10%0–1%
OriginSloveniaGermany
PurposeDual purposeBittering

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