Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 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 Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Aurum
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
Aroma profile and use
Shared aromas
CitrusEarthyFloral
Only in Ahtanum
GrapefruitGeraniumPineCedarLemon
Only in Aurum
SpicyFruityMildHerbalNoble
Property
| Property | Ahtanum | Aurum |
|---|---|---|
| Alpha acid | 3.5–6.5% | 3.5–5.7% |
| Beta acid | 4–6.5% | 3.1% |
| Co-humulone | 30–35% | 20–23% |
| 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 | United States | Germany |
| Purpose | Aroma | Aroma |