BobekvsStirling

Bobek (bittering) and Stirling (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

Stirling

Dual purpose

Alpha acid

6–12%

Beta acid

4–6%

Total oil

1.3–1.9 mL

United States

Key differences

When to pick Bobek

  • More essential oils - more intense aroma
  • Bittering workhorse - efficient in the mash

When to pick Stirling

  • Higher alpha acid - stronger bittering
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Floral

Only in Bobek

Pine

Only in Stirling

HerbalCitusSpicy

Property

PropertyBobekStirling
Alpha acid3.5–9.3%6–12%
Beta acid4–6.6%4–6%
Co-humulone26–31%21–28%
Total oil0.7–4 mL1.3–1.9 mL
Myrcene30–45%44–48%
Humulene13–19%19–23%
Caryophyllene4–6%5–7%
Farnesene4–7%11–17%
OriginSloveniaUnited States
PurposeBitteringDual purpose

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