Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Summit
Alpha acid
15–17.5%
Beta acid
4–6.5%
Total oil
1.5–3 mL
United States
Key differences
When to pick Astra
- Versatile - works for both bittering and aroma
When to pick Summit
- Higher alpha acid - stronger bittering
- Bittering workhorse - efficient in the mash
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Grapefruit
Only in Astra
TropicalSweetPeachWhiteMelonGrassyHoney
Only in Summit
Black currantAniseIncenseOrangeTangerineEarthyCitrusOnionGarlicDankCannabis
Property
| Property | Astra | Summit |
|---|---|---|
| Alpha acid | 7–10% | 15–17.5% |
| Beta acid | 4–6% | 4–6.5% |
| Co-humulone | 26–28% | 26–33% |
| Total oil | 1–3 mL | 1.5–3 mL |
| Myrcene | - | 30–40% |
| Humulene | 6–8% | 18–22% |
| Caryophyllene | 2–3% | 12–16% |
| Farnesene | - | 0–1% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Bittering |