AhtanumvsBelma

Ahtanum (aroma) and Belma (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

Belma

Dual purpose

Alpha acid

8.5–12.1%

Beta acid

4–8%

Total oil

1–2.5 mL

United States

Key differences

When to pick Ahtanum

  • Aroma-focused - ideal for dry hopping

When to pick Belma

  • 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

CitrusGrapefruit

Only in Ahtanum

GeraniumPineEarthyFloralCedarLemon

Only in Belma

OrangeMelonStrawberryPineappleBerryTropical

Property

PropertyAhtanumBelma
Alpha acid3.5–6.5%8.5–12.1%
Beta acid4–6.5%4–8%
Co-humulone30–35%-
Total oil0.5–1.7 mL1–2.5 mL
Myrcene45–55%65–68%
Humulene15–22%-
Caryophyllene9–12%-
Farnesene0–1%-
OriginUnited StatesUnited States
PurposeAromaDual purpose

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