Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Zagrava
Alpha acid
4–7%
Beta acid
8–12%
Total oil
2–3 mL
Ukraine
Key differences
When to pick Stirling
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
When to pick Zagrava
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
Shared aromas
HerbalSpicyFloral
Only in Stirling
Citus
Only in Zagrava
Fruity
Property
| Property | Stirling | Zagrava |
|---|---|---|
| Alpha acid | 6–12% | 4–7% |
| Beta acid | 4–6% | 8–12% |
| Co-humulone | 21–28% | 24–28% |
| Total oil | 1.3–1.9 mL | 2–3 mL |
| Myrcene | 44–48% | 30–50% |
| Humulene | 19–23% | 14–16% |
| Caryophyllene | 5–7% | 7–8% |
| Farnesene | 11–17% | 12–18% |
| Origin | United States | Ukraine |
| Purpose | Dual purpose | Dual purpose |
Lubelski
Spalter Select