Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Spalt
Alpha acid
2.5–5.7%
Beta acid
3–5%
Total oil
0.5–0.9 mL
Germany
Key differences
When to pick Progress
- Higher alpha acid - stronger bittering
- Richer, more complex aroma profile
When to pick Spalt
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
Shared aromas
Floral
Only in Progress
GrassyMintSweetHoneyBlack currantFruity
Only in Spalt
NobleEarthyHerbal
Property
| Property | Progress | Spalt |
|---|---|---|
| Alpha acid | 5–7.5% | 2.5–5.7% |
| Beta acid | 1.8–2.7% | 3–5% |
| Co-humulone | 25–27% | 22–29% |
| Total oil | 0.5–0.8 mL | 0.5–0.9 mL |
| Myrcene | 25–30% | 20–35% |
| Humulene | 40–47% | 20–30% |
| Caryophyllene | 12–15% | 8–13% |
| Farnesene | 0–1% | 12–18% |
| Origin | United Kingdom | Germany |
| Purpose | Aroma | Aroma |
Golding