BobekvsEmerald Spire

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

Bobek

Bittering

Alpha acid

3.5–9.3%

Beta acid

4–6.6%

Total oil

0.7–4 mL

Slovenia

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

Key differences

When to pick Bobek

  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Emerald Spire

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Bobek

PineFloral

Only in Emerald Spire

PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew

Property

PropertyBobekEmerald Spire
Alpha acid3.5–9.3%8.6–13%
Beta acid4–6.6%3.5–4.5%
Co-humulone26–31%38–39%
Total oil0.7–4 mL-
Myrcene30–45%36–37%
Humulene13–19%10–11%
Caryophyllene4–6%7–8%
Farnesene4–7%0–1%
OriginSloveniaUnited States
PurposeBitteringDual purpose

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