Boomerang
Alpha acid
10–14%
Beta acid
5–10%
Total oil
1.5–3 mL
Czech Republic
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Boomerang
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Stirling
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Spicy
Only in Boomerang
Citrus
Only in Stirling
HerbalCitusFloral
Property
| Property | Boomerang | Stirling |
|---|---|---|
| Alpha acid | 10–14% | 6–12% |
| Beta acid | 5–10% | 4–6% |
| Co-humulone | 27–32% | 21–28% |
| Total oil | 1.5–3 mL | 1.3–1.9 mL |
| Myrcene | 30–53% | 44–48% |
| Humulene | 17–24% | 19–23% |
| Caryophyllene | 7–11% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | Czech Republic | United States |
| Purpose | Dual purpose | Dual purpose |