First GoldvsCalypso

First Gold and Calypso are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

First Gold

Dual purpose

Alpha acid

5.6–10%

Beta acid

2.3–4.1%

Total oil

0.7–1.5 mL

United Kingdom

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Key differences

When to pick First Gold

  • Richer, more complex aroma profile

When to pick Calypso

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in First Gold

TangerineApricotMagnoliaRedberryHerbalOrangeHerbalSpicyFloral

Only in Calypso

FruityApplePearStone fruitLimeCitrusPeach

Property

PropertyFirst GoldCalypso
Alpha acid5.6–10%12–16%
Beta acid2.3–4.1%5–6%
Co-humulone29–35%38–42%
Total oil0.7–1.5 mL1.5–2.5 mL
Myrcene24–28%30–45%
Humulene20–24%20–35%
Caryophyllene6–7%9–15%
Farnesene2–4%0–1%
OriginUnited KingdomUnited States
PurposeDual purposeDual purpose

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