Kohatu
Alpha acid
6–7%
Beta acid
4–6%
Total oil
1–2 mL
New Zealand
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 Kohatu
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Versatile - works for both bittering and aroma
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Kohatu
Tropical
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyFloralCedarLemon
Property
| Property | Kohatu | Ahtanum |
|---|---|---|
| Alpha acid | 6–7% | 3.5–6.5% |
| Beta acid | 4–6% | 4–6.5% |
| Co-humulone | 20–25% | 30–35% |
| Total oil | 1–2 mL | 0.5–1.7 mL |
| Myrcene | 25–30% | 45–55% |
| Humulene | 30–40% | 15–22% |
| Caryophyllene | 11–16% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | New Zealand | United States |
| Purpose | Dual purpose | Aroma |