BobekvsZappa

Bobek (bittering) and Zappa (aroma) 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

Zappa

Aroma

Alpha acid

6–9%

Beta acid

8–9%

Total oil

1.8–2.5 mL

United States

Key differences

When to pick Bobek

  • Bittering workhorse - efficient in the mash

When to pick Zappa

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Pine

Only in Bobek

Floral

Only in Zappa

MintSavoryFruityMangoPassion fruitTropicalCitrusSpicyFresh

Property

PropertyBobekZappa
Alpha acid3.5–9.3%6–9%
Beta acid4–6.6%8–9%
Co-humulone26–31%40–45%
Total oil0.7–4 mL1.8–2.5 mL
Myrcene30–45%64–65%
Humulene13–19%4–5%
Caryophyllene4–6%8–9%
Farnesene4–7%0–1%
OriginSloveniaUnited States
PurposeBitteringAroma

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