AstravsMillennium
Astra (dual purpose) and Millennium (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Millennium
Alpha acid
14.5–18.5%
Beta acid
4.3–6.5%
Total oil
1.5–3 mL
United States
Key differences
When to pick Astra
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
When to pick Millennium
- Higher alpha acid - stronger bittering
- Bittering workhorse - efficient in the mash
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Astra
TropicalSweetPeachWhiteMelonGrassyGrapefruitHoney
Only in Millennium
PearToffeeFloralResinHerbal
Property
| Property | Astra | Millennium |
|---|---|---|
| Alpha acid | 7–10% | 14.5–18.5% |
| Beta acid | 4–6% | 4.3–6.5% |
| Co-humulone | 26–28% | 28–35% |
| Total oil | 1–3 mL | 1.5–3 mL |
| Myrcene | - | 35–55% |
| Humulene | 6–8% | 15–25% |
| Caryophyllene | 2–3% | 8–10% |
| Farnesene | - | 0–1% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Bittering |