AmarillovsOpal

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

Amarillo

Aroma

Alpha acid

7–11%

Beta acid

5.5–8%

Total oil

1–2.3 mL

United States

Opal

Dual purpose

Alpha acid

5–14%

Beta acid

3.5–5.5%

Total oil

0.8–1.3 mL

Germany

Key differences

When to pick Amarillo

  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

When to pick Opal

  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

FloralSpicyCitrus

Only in Amarillo

TropicalOrangeLemonMelonApricotPeachGrapefruitDank

Only in Opal

Black currantHerbalAnise

Property

PropertyAmarilloOpal
Alpha acid7–11%5–14%
Beta acid5.5–8%3.5–5.5%
Co-humulone21–24%13–34%
Total oil1–2.3 mL0.8–1.3 mL
Myrcene40–70%20–45%
Humulene19–24%30–50%
Caryophyllene7–10%8–15%
Farnesene6–9%0–1%
OriginUnited StatesGermany
PurposeAromaDual purpose

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