EclipsevsChallenger

Eclipse and Challenger are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Eclipse

Dual purpose

Alpha acid

15.7–19%

Beta acid

5.9–9%

Total oil

1.8–2.7 mL

Australia

Challenger

Dual purpose

Alpha acid

6.5–9%

Beta acid

3–4.5%

Total oil

1–1.7 mL

United Kingdom

Key differences

When to pick Eclipse

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes

When to pick Challenger

No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Eclipse

CitrusPineMandarin

Only in Challenger

CedarGreenFruity

Property

PropertyEclipseChallenger
Alpha acid15.7–19%6.5–9%
Beta acid5.9–9%3–4.5%
Co-humulone33–37%20–25%
Total oil1.8–2.7 mL1–1.7 mL
Myrcene35–49%30–42%
Humulene0–2%24–26%
Caryophyllene6–12%9–10%
Farnesene0–1%0–1%
OriginAustraliaUnited Kingdom
PurposeDual purposeDual purpose

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