AstravsEmerald Spire
Astra and Emerald Spire are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Emerald Spire
Alpha acid
8.6–13%
Beta acid
3.5–4.5%
Total oil
-
United States
Key differences
When to pick Astra
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Emerald Spire
- Higher alpha acid - stronger bittering
Aroma profile and use
Shared aromas
PeachWhiteMelon
Only in Astra
TropicalSweetGrassyGrapefruitHoney
Only in Emerald Spire
FruityGrapesWatermelonBubbleHoneydew
Property
| Property | Astra | Emerald Spire |
|---|---|---|
| Alpha acid | 7–10% | 8.6–13% |
| Beta acid | 4–6% | 3.5–4.5% |
| Co-humulone | 26–28% | 38–39% |
| Total oil | 1–3 mL | - |
| Myrcene | - | 36–37% |
| Humulene | 6–8% | 10–11% |
| Caryophyllene | 2–3% | 7–8% |
| Farnesene | - | 0–1% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Dual purpose |