Bobek
Alpha acid
3.5–9.3%
Beta acid
4–6.6%
Total oil
0.7–4 mL
Slovenia
Opal
Alpha acid
5–14%
Beta acid
3.5–5.5%
Total oil
0.8–1.3 mL
Germany
Key differences
When to pick Bobek
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Bittering workhorse - efficient in the mash
When to pick Opal
- Higher alpha acid - stronger bittering
- 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 Opal
Black currantCitrusSpicyHerbalAnise
Property
| Property | Bobek | Opal |
|---|---|---|
| Alpha acid | 3.5–9.3% | 5–14% |
| Beta acid | 4–6.6% | 3.5–5.5% |
| Co-humulone | 26–31% | 13–34% |
| Total oil | 0.7–4 mL | 0.8–1.3 mL |
| Myrcene | 30–45% | 20–45% |
| Humulene | 13–19% | 30–50% |
| Caryophyllene | 4–6% | 8–15% |
| Farnesene | 4–7% | 0–1% |
| Origin | Slovenia | Germany |
| Purpose | Bittering | Dual purpose |
Fuggle
Willamette