Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Key differences
When to pick Ahtanum
- Aroma-focused - ideal for dry hopping
When to pick Astra
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
Grapefruit
Only in Ahtanum
CitrusGeraniumPineEarthyFloralCedarLemon
Only in Astra
TropicalSweetPeachWhiteMelonGrassyHoney
Property
| Property | Ahtanum | Astra |
|---|---|---|
| Alpha acid | 3.5–6.5% | 7–10% |
| Beta acid | 4–6.5% | 4–6% |
| Co-humulone | 30–35% | 26–28% |
| Total oil | 0.5–1.7 mL | 1–3 mL |
| Myrcene | 45–55% | - |
| Humulene | 15–22% | 6–8% |
| Caryophyllene | 9–12% | 2–3% |
| Farnesene | 0–1% | - |
| Origin | United States | Australia |
| Purpose | Aroma | Dual purpose |