Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Citra
Alpha acid
10–15%
Beta acid
3–4.5%
Total oil
1.5–3 mL
United States
Key differences
When to pick Astra
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Citra
- Higher alpha acid - stronger bittering
Aroma profile and use
Shared aromas
PeachMelonGrapefruit
Only in Astra
TropicalSweetWhiteGrassyHoney
Only in Citra
CitrusLimeFloralGooseberryPassion fruitLychee
Property
| Property | Astra | Citra |
|---|---|---|
| Alpha acid | 7–10% | 10–15% |
| Beta acid | 4–6% | 3–4.5% |
| Co-humulone | 26–28% | 20–35% |
| Total oil | 1–3 mL | 1.5–3 mL |
| Myrcene | - | 60–70% |
| Humulene | 6–8% | 7–13% |
| Caryophyllene | 2–3% | 5–8% |
| Farnesene | - | 0–1% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Dual purpose |