Delta
Alpha acid
5.5–7%
Beta acid
5.5–7%
Total oil
0.5–1.1 mL
United States
Melba
Alpha acid
7–10%
Beta acid
2.5–5%
Total oil
2–4 mL
Australia
Key differences
When to pick Delta
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Melba
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
Aroma profile and use
Shared aromas
CitrusSpicy
Only in Delta
Melon
Only in Melba
Passion fruitGrapefruit
Property
| Property | Delta | Melba |
|---|---|---|
| Alpha acid | 5.5–7% | 7–10% |
| Beta acid | 5.5–7% | 2.5–5% |
| Co-humulone | 22–24% | 25–35% |
| Total oil | 0.5–1.1 mL | 2–4 mL |
| Myrcene | 25–40% | - |
| Humulene | 25–35% | - |
| Caryophyllene | 9–15% | - |
| Farnesene | 0–1% | - |
| Origin | United States | Australia |
| Purpose | Aroma | Aroma |
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