Comet
Alpha acid
8–12.4%
Beta acid
3–6.1%
Total oil
1–3.3 mL
United States
Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Key differences
When to pick Comet
- Higher alpha acid - stronger bittering
When to pick Astra
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
GrassyGrapefruit
Only in Comet
Wild
Only in Astra
TropicalSweetPeachWhiteMelonHoney
Property
| Property | Comet | Astra |
|---|---|---|
| Alpha acid | 8–12.4% | 7–10% |
| Beta acid | 3–6.1% | 4–6% |
| Co-humulone | 34–45% | 26–28% |
| Total oil | 1–3.3 mL | 1–3 mL |
| Myrcene | 40–65% | - |
| Humulene | 1–2% | 6–8% |
| Caryophyllene | 5–15% | 2–3% |
| Farnesene | 0–1% | - |
| Origin | United States | Australia |
| Purpose | Dual purpose | Dual purpose |