PahtovsAhtanum

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

Pahto

Bittering

Alpha acid

17–20%

Beta acid

4.5–6%

Total oil

1–2.5 mL

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 Pahto

  • 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 Ahtanum

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

Aroma profile and use

Shared aromas

Earthy

Only in Pahto

NeutralHerbalCleanSmooth

Only in Ahtanum

CitrusGrapefruitGeraniumPineFloralCedarLemon

Property

PropertyPahtoAhtanum
Alpha acid17–20%3.5–6.5%
Beta acid4.5–6%4–6.5%
Co-humulone26–32%30–35%
Total oil1–2.5 mL0.5–1.7 mL
Myrcene58–72%45–55%
Humulene8–11%15–22%
Caryophyllene3–6%9–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeBitteringAroma

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