Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Bobek
Alpha acid
3.5–9.3%
Beta acid
4–6.6%
Total oil
0.7–4 mL
Slovenia
Key differences
When to pick Astra
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
When to pick Bobek
- More essential oils - more intense aroma
- Bittering workhorse - efficient in the mash
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Astra
TropicalSweetPeachWhiteMelonGrassyGrapefruitHoney
Only in Bobek
PineFloral
Property
| Property | Astra | Bobek |
|---|---|---|
| Alpha acid | 7–10% | 3.5–9.3% |
| Beta acid | 4–6% | 4–6.6% |
| Co-humulone | 26–28% | 26–31% |
| Total oil | 1–3 mL | 0.7–4 mL |
| Myrcene | - | 30–45% |
| Humulene | 6–8% | 13–19% |
| Caryophyllene | 2–3% | 4–6% |
| Farnesene | - | 4–7% |
| Origin | Australia | Slovenia |
| Purpose | Dual purpose | Bittering |
Fuggle
Willamette