Boomerang
Alpha acid
10–14%
Beta acid
5–10%
Total oil
1.5–3 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 Boomerang
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
When to pick Zeus
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- 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 Boomerang
SpicyCitrus
Only in Zeus
Black currantLicoriceCurryPungent
Property
| Property | Boomerang | Zeus |
|---|---|---|
| Alpha acid | 10–14% | 13–17.5% |
| Beta acid | 5–10% | 4–6.5% |
| Co-humulone | 27–32% | 28–40% |
| Total oil | 1.5–3 mL | 2.4–4.5 mL |
| Myrcene | 30–53% | 45–60% |
| Humulene | 17–24% | 9–18% |
| Caryophyllene | 7–11% | 6–11% |
| Farnesene | 0–1% | 0–1% |
| Origin | Czech Republic | United States |
| Purpose | Dual purpose | Bittering |