AgnusvsChallenger

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

Agnus

Bittering

Alpha acid

9–14%

Beta acid

4–6.5%

Total oil

2–3 mL

Czech Republic

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 Agnus

  • 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
  • Bittering workhorse - efficient in the mash
  • Richer, more complex aroma profile

When to pick Challenger

  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Agnus

LavenderLeatherTobaccoCitrusSpicy

Only in Challenger

CedarGreenFruity

Property

PropertyAgnusChallenger
Alpha acid9–14%6.5–9%
Beta acid4–6.5%3–4.5%
Co-humulone29–38%20–25%
Total oil2–3 mL1–1.7 mL
Myrcene40–55%30–42%
Humulene15–20%24–26%
Caryophyllene-9–10%
Farnesene0–1%0–1%
OriginCzech RepublicUnited Kingdom
PurposeBitteringDual purpose

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