Aurum
Alpha acid
3.5–5.7%
Beta acid
3.1%
Total oil
0.5–1.7 mL
Germany
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Key differences
When to pick Aurum
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
Shared aromas
FloralEarthyCitrus
Only in Aurum
SpicyFruityMildHerbalNoble
Only in Ahtanum
GrapefruitGeraniumPineCedarLemon
Property
| Property | Aurum | Ahtanum |
|---|---|---|
| Alpha acid | 3.5–5.7% | 3.5–6.5% |
| Beta acid | 3.1% | 4–6.5% |
| Co-humulone | 20–23% | 30–35% |
| Total oil | 0.5–1.7 mL | 0.5–1.7 mL |
| Myrcene | - | 45–55% |
| Humulene | - | 15–22% |
| Caryophyllene | - | 9–12% |
| Farnesene | - | 0–1% |
| Origin | Germany | United States |
| Purpose | Aroma | Aroma |