AgnusvsAhtanum

Agnus (bittering) and Ahtanum (aroma) 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

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Key differences

When to pick Agnus

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Bittering workhorse - efficient in the mash

When to pick Ahtanum

  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Citrus

Only in Agnus

LavenderLeatherTobaccoSpicy

Only in Ahtanum

GrapefruitGeraniumPineEarthyFloralCedarLemon

Property

PropertyAgnusAhtanum
Alpha acid9–14%3.5–6.5%
Beta acid4–6.5%4–6.5%
Co-humulone29–38%30–35%
Total oil2–3 mL0.5–1.7 mL
Myrcene40–55%45–55%
Humulene15–20%15–22%
Caryophyllene-9–12%
Farnesene0–1%0–1%
OriginCzech RepublicUnited States
PurposeBitteringAroma

Related comparisons