Emerald SpirevsEast Kent Goldings

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

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

East Kent Goldings

Bittering

Alpha acid

4–6.5%

Beta acid

1.9–3.5%

Total oil

0.4–1 mL

United Kingdom

Key differences

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

When to pick East Kent Goldings

  • Bittering workhorse - efficient in the mash

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Emerald Spire

PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew

Only in East Kent Goldings

LavenderHoneyLemonThymeOrangeGrapefruitFloral

Property

PropertyEmerald SpireEast Kent Goldings
Alpha acid8.6–13%4–6.5%
Beta acid3.5–4.5%1.9–3.5%
Co-humulone38–39%20–32%
Total oil-0.4–1 mL
Myrcene36–37%29–31%
Humulene10–11%38–44%
Caryophyllene7–8%12–16%
Farnesene0–1%0–1%
OriginUnited StatesUnited Kingdom
PurposeDual purposeBittering

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