Bor
Alpha acid
6–9%
Beta acid
3–5.5%
Total oil
1–2 mL
Czech Republic
Zeus
Alpha acid
13–17.5%
Beta acid
4–6.5%
Total oil
2.4–4.5 mL
United States
Key differences
When to pick Bor
- Versatile - works for both bittering and aroma
When to pick Zeus
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Bittering workhorse - efficient in the mash
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Bor
SpicyPine
Only in Zeus
Black currantLicoriceCurryPungent
Property
| Property | Bor | Zeus |
|---|---|---|
| Alpha acid | 6–9% | 13–17.5% |
| Beta acid | 3–5.5% | 4–6.5% |
| Co-humulone | 23–26% | 28–40% |
| Total oil | 1–2 mL | 2.4–4.5 mL |
| Myrcene | - | 45–60% |
| Humulene | - | 9–18% |
| Caryophyllene | - | 6–11% |
| Farnesene | - | 0–1% |
| Origin | Czech Republic | United States |
| Purpose | Dual purpose | Bittering |