Ultra
Alpha acid
3–9.7%
Beta acid
3.6–5%
Total oil
0.8–1.5 mL
United States
Aurum
Alpha acid
3.5–5.7%
Beta acid
3.1%
Total oil
0.5–1.7 mL
Germany
Key differences
When to pick Ultra
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Aurum
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
MildFloral
Only in Ultra
Pleasant
Only in Aurum
SpicyFruityHerbalEarthyCitrusNoble
Property
| Property | Ultra | Aurum |
|---|---|---|
| Alpha acid | 3–9.7% | 3.5–5.7% |
| Beta acid | 3.6–5% | 3.1% |
| Co-humulone | 25–35% | 20–23% |
| Total oil | 0.8–1.5 mL | 0.5–1.7 mL |
| Myrcene | 50–60% | - |
| Humulene | 10–15% | - |
| Caryophyllene | 6–9% | - |
| Farnesene | 0–1% | - |
| Origin | United States | Germany |
| Purpose | Aroma | Aroma |