East Kent GoldingsvsEmerald Spire

East Kent Goldings (bittering) and Emerald Spire (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

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

Key differences

When to pick East Kent Goldings

  • Bittering workhorse - efficient in the mash

When to pick Emerald Spire

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in East Kent Goldings

LavenderHoneyLemonThymeOrangeGrapefruitFloral

Only in Emerald Spire

PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew

Property

PropertyEast Kent GoldingsEmerald Spire
Alpha acid4–6.5%8.6–13%
Beta acid1.9–3.5%3.5–4.5%
Co-humulone20–32%38–39%
Total oil0.4–1 mL-
Myrcene29–31%36–37%
Humulene38–44%10–11%
Caryophyllene12–16%7–8%
Farnesene0–1%0–1%
OriginUnited KingdomUnited States
PurposeBitteringDual purpose

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