HerkulesvsDelta

Herkules (bittering) and Delta (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Herkules

Bittering

Alpha acid

12–17%

Beta acid

4–5.5%

Total oil

1.4–2.4 mL

Germany

Delta

Aroma

Alpha acid

5.5–7%

Beta acid

5.5–7%

Total oil

0.5–1.1 mL

United States

Key differences

When to pick Herkules

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Bittering workhorse - efficient in the mash

When to pick Delta

  • Higher beta acid - smoother, longer-lasting bitterness
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

CitrusMelon

Only in Herkules

-

Only in Delta

Spicy

Property

PropertyHerkulesDelta
Alpha acid12–17%5.5–7%
Beta acid4–5.5%5.5–7%
Co-humulone32–38%22–24%
Total oil1.4–2.4 mL0.5–1.1 mL
Myrcene30–50%25–40%
Humulene30–45%25–35%
Caryophyllene7–12%9–15%
Farnesene0–1%0–1%
OriginGermanyUnited States
PurposeBitteringAroma

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