Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Eroica
Alpha acid
7.3–14.9%
Beta acid
3–5.3%
Total oil
0.8–1.3 mL
United States
Key differences
When to pick Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
When to pick Eroica
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
- Bittering workhorse - efficient in the mash
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyFloralCedarLemon
Only in Eroica
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Property
| Property | Ahtanum | Eroica |
|---|---|---|
| Alpha acid | 3.5–6.5% | 7.3–14.9% |
| Beta acid | 4–6.5% | 3–5.3% |
| Co-humulone | 30–35% | 40% |
| Total oil | 0.5–1.7 mL | 0.8–1.3 mL |
| Myrcene | 45–55% | 55–65% |
| Humulene | 15–22% | 0–1% |
| Caryophyllene | 9–12% | 7–13% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Bittering |