AhtanumvsRakau

Ahtanum (aroma) and Rakau (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Rakau

Dual purpose

Alpha acid

9–12%

Beta acid

5–6%

Total oil

1.8–2.2 mL

New Zealand

Key differences

When to pick Ahtanum

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

When to pick Rakau

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

Pine

Only in Ahtanum

CitrusGrapefruitGeraniumEarthyFloralCedarLemon

Only in Rakau

Stone fruitFigFruityApricotResin

Property

PropertyAhtanumRakau
Alpha acid3.5–6.5%9–12%
Beta acid4–6.5%5–6%
Co-humulone30–35%23–25%
Total oil0.5–1.7 mL1.8–2.2 mL
Myrcene45–55%55–57%
Humulene15–22%16–17%
Caryophyllene9–12%5–6%
Farnesene0–1%4–5%
OriginUnited StatesNew Zealand
PurposeAromaDual purpose

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