SummervsAhtanum

Summer and Ahtanum are popular aroma hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Summer

Aroma

Alpha acid

5.6–6.4%

Beta acid

4.8–6.1%

Total oil

1.4–2 mL

Australia

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 Summer

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma

When to pick Ahtanum

  • More myrcene - pronounced citrus and resinous notes

Aroma profile and use

Shared aromas

Citrus

Only in Summer

ApricotMelonGrassyStone fruitPassion fruitPeach

Only in Ahtanum

GrapefruitGeraniumPineEarthyFloralCedarLemon

Property

PropertySummerAhtanum
Alpha acid5.6–6.4%3.5–6.5%
Beta acid4.8–6.1%4–6.5%
Co-humulone20–25%30–35%
Total oil1.4–2 mL0.5–1.7 mL
Myrcene29–38%45–55%
Humulene28–50%15–22%
Caryophyllene8–11%9–12%
Farnesene0–1%0–1%
OriginAustraliaUnited States
PurposeAromaAroma

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