East Kent GoldingsvsOpal

East Kent Goldings (bittering) and Opal (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

East Kent Goldings

Bittering

Alpha acid

4–6.5%

Beta acid

1.9–3.5%

Total oil

0.4–1 mL

United Kingdom

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 East Kent Goldings

  • Bittering workhorse - efficient in the mash

When to pick Opal

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

Floral

Only in East Kent Goldings

LavenderHoneyLemonThymeOrangeGrapefruit

Only in Opal

Black currantCitrusSpicyHerbalAnise

Property

PropertyEast Kent GoldingsOpal
Alpha acid4–6.5%5–14%
Beta acid1.9–3.5%3.5–5.5%
Co-humulone20–32%13–34%
Total oil0.4–1 mL0.8–1.3 mL
Myrcene29–31%20–45%
Humulene38–44%30–50%
Caryophyllene12–16%8–15%
Farnesene0–1%0–1%
OriginUnited KingdomGermany
PurposeBitteringDual purpose

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