Eclipse
Alpha acid
15.7–19%
Beta acid
5.9–9%
Total oil
1.8–2.7 mL
Australia
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Eclipse
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Stirling
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Eclipse
CitrusPineMandarin
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Eclipse | Stirling |
|---|---|---|
| Alpha acid | 15.7–19% | 6–12% |
| Beta acid | 5.9–9% | 4–6% |
| Co-humulone | 33–37% | 21–28% |
| Total oil | 1.8–2.7 mL | 1.3–1.9 mL |
| Myrcene | 35–49% | 44–48% |
| Humulene | 0–2% | 19–23% |
| Caryophyllene | 6–12% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Dual purpose |