TillicumvsAhtanum

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

Tillicum

Bittering

Alpha acid

13.5–15.5%

Beta acid

9.5–11.5%

Total oil

-

United States

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 Tillicum

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Ahtanum

  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Citrus

Only in Tillicum

Stone fruit

Only in Ahtanum

GrapefruitGeraniumPineEarthyFloralCedarLemon

Property

PropertyTillicumAhtanum
Alpha acid13.5–15.5%3.5–6.5%
Beta acid9.5–11.5%4–6.5%
Co-humulone35%30–35%
Total oil-0.5–1.7 mL
Myrcene39–41%45–55%
Humulene13–15%15–22%
Caryophyllene7–8%9–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeBitteringAroma

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