MillenniumvsAhtanum
Millennium (bittering) and Ahtanum (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Millennium
Alpha acid
14.5–18.5%
Beta acid
4.3–6.5%
Total oil
1.5–3 mL
United States
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Key differences
When to pick Millennium
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Bittering workhorse - efficient in the mash
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Floral
Only in Millennium
PearToffeeResinHerbal
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyCedarLemon
Property
| Property | Millennium | Ahtanum |
|---|---|---|
| Alpha acid | 14.5–18.5% | 3.5–6.5% |
| Beta acid | 4.3–6.5% | 4–6.5% |
| Co-humulone | 28–35% | 30–35% |
| Total oil | 1.5–3 mL | 0.5–1.7 mL |
| Myrcene | 35–55% | 45–55% |
| Humulene | 15–25% | 15–22% |
| Caryophyllene | 8–10% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Bittering | Aroma |