Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Melba
Alpha acid
7–10%
Beta acid
2.5–5%
Total oil
2–4 mL
Australia
Key differences
When to pick Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
- Richer, more complex aroma profile
When to pick Melba
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
Aroma profile and use
Shared aromas
CitrusGrapefruit
Only in Ahtanum
GeraniumPineEarthyFloralCedarLemon
Only in Melba
Passion fruitSpicy
Property
| Property | Ahtanum | Melba |
|---|---|---|
| Alpha acid | 3.5–6.5% | 7–10% |
| Beta acid | 4–6.5% | 2.5–5% |
| Co-humulone | 30–35% | 25–35% |
| Total oil | 0.5–1.7 mL | 2–4 mL |
| Myrcene | 45–55% | - |
| Humulene | 15–22% | - |
| Caryophyllene | 9–12% | - |
| Farnesene | 0–1% | - |
| Origin | United States | Australia |
| Purpose | Aroma | Aroma |