Bobek
Alpha acid
3.5–9.3%
Beta acid
4–6.6%
Total oil
0.7–4 mL
Slovenia
Boomerang
Alpha acid
10–14%
Beta acid
5–10%
Total oil
1.5–3 mL
Czech Republic
Key differences
When to pick Bobek
- Bittering workhorse - efficient in the mash
When to pick Boomerang
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Bobek
PineFloral
Only in Boomerang
SpicyCitrus
Property
| Property | Bobek | Boomerang |
|---|---|---|
| Alpha acid | 3.5–9.3% | 10–14% |
| Beta acid | 4–6.6% | 5–10% |
| Co-humulone | 26–31% | 27–32% |
| Total oil | 0.7–4 mL | 1.5–3 mL |
| Myrcene | 30–45% | 30–53% |
| Humulene | 13–19% | 17–24% |
| Caryophyllene | 4–6% | 7–11% |
| Farnesene | 4–7% | 0–1% |
| Origin | Slovenia | Czech Republic |
| Purpose | Bittering | Dual purpose |