Melba
Alpha acid
7–10%
Beta acid
2.5–5%
Total oil
2–4 mL
Australia
Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Key differences
When to pick Melba
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Progress
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Melba
Passion fruitGrapefruitCitrusSpicy
Only in Progress
GrassyMintSweetHoneyBlack currantFruityFloral
Property
| Property | Melba | Progress |
|---|---|---|
| Alpha acid | 7–10% | 5–7.5% |
| Beta acid | 2.5–5% | 1.8–2.7% |
| Co-humulone | 25–35% | 25–27% |
| Total oil | 2–4 mL | 0.5–0.8 mL |
| Myrcene | - | 25–30% |
| Humulene | - | 40–47% |
| Caryophyllene | - | 12–15% |
| Farnesene | - | 0–1% |
| Origin | Australia | United Kingdom |
| Purpose | Aroma | Aroma |
Golding