Bobek
Alpha acid
3.5–9.3%
Beta acid
4–6.6%
Total oil
0.7–4 mL
Slovenia
Stirling
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
| Property | Bobek | Stirling |
|---|---|---|
| Alpha acid | 3.5–9.3% | 6–12% |
| Beta acid | 4–6.6% | 4–6% |
| Co-humulone | 26–31% | 21–28% |
| Total oil | 0.7–4 mL | 1.3–1.9 mL |
| Myrcene | 30–45% | 44–48% |
| Humulene | 13–19% | 19–23% |
| Caryophyllene | 4–6% | 5–7% |
| Farnesene | 4–7% | 11–17% |
| Origin | Slovenia | United States |
| Purpose | Bittering | Dual purpose |