Herkules
Alpha acid
12–17%
Beta acid
4–5.5%
Total oil
1.4–2.4 mL
Germany
Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Key differences
When to pick Herkules
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Bittering workhorse - efficient in the mash
When to pick Glacier
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Herkules
CitrusMelon
Only in Glacier
PlumBlackberryWoodyCedar
Property
| Property | Herkules | Glacier |
|---|---|---|
| Alpha acid | 12–17% | 3.3–9.7% |
| Beta acid | 4–5.5% | 5.4–10% |
| Co-humulone | 32–38% | 11–16% |
| Total oil | 1.4–2.4 mL | 0.5–1.5 mL |
| Myrcene | 30–50% | 35–45% |
| Humulene | 30–45% | 25–35% |
| Caryophyllene | 7–12% | 8–13% |
| Farnesene | 0–1% | 0–1% |
| Origin | Germany | United States |
| Purpose | Bittering | Dual purpose |
Fuggle
Styrian Golding