Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Enigma
Alpha acid
13.5–19.4%
Beta acid
4.5–7.1%
Total oil
1.8–3 mL
Australia
Key differences
When to pick Stirling
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Enigma
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Stirling
HerbalCitusSpicyFloral
Only in Enigma
TropicalBerryStone fruitRaspberryRedcurrantWhite
Property
| Property | Stirling | Enigma |
|---|---|---|
| Alpha acid | 6–12% | 13.5–19.4% |
| Beta acid | 4–6% | 4.5–7.1% |
| Co-humulone | 21–28% | 37–43% |
| Total oil | 1.3–1.9 mL | 1.8–3 mL |
| Myrcene | 44–48% | 23–30% |
| Humulene | 19–23% | 12–19% |
| Caryophyllene | 5–7% | 6–8% |
| Farnesene | 11–17% | 9–12% |
| Origin | United States | Australia |
| Purpose | Dual purpose | Aroma |