Contessa
Alpha acid
3–5%
Beta acid
5–7.4%
Total oil
0.8–1.9 mL
United States
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 Contessa
- Bittering workhorse - efficient in the mash
When to pick Ahtanum
- Higher alpha acid - stronger bittering
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Floral
Only in Contessa
GreenLemongrassPear
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyCedarLemon
Property
| Property | Contessa | Ahtanum |
|---|---|---|
| Alpha acid | 3–5% | 3.5–6.5% |
| Beta acid | 5–7.4% | 4–6.5% |
| Co-humulone | 29–32% | 30–35% |
| Total oil | 0.8–1.9 mL | 0.5–1.7 mL |
| Myrcene | - | 45–55% |
| Humulene | - | 15–22% |
| Caryophyllene | - | 9–12% |
| Farnesene | - | 0–1% |
| Origin | United States | United States |
| Purpose | Bittering | Aroma |