AmethystvsMillennium
Amethyst (aroma) and Millennium (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Amethyst
Alpha acid
3.5–6%
Beta acid
7–8%
Total oil
0.4–1 mL
Czech Republic
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 Amethyst
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
When to pick Millennium
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Bittering workhorse - efficient in the mash
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Amethyst
CitrusEarthySpicy
Only in Millennium
PearToffeeFloralResinHerbal
Property
| Property | Amethyst | Millennium |
|---|---|---|
| Alpha acid | 3.5–6% | 14.5–18.5% |
| Beta acid | 7–8% | 4.3–6.5% |
| Co-humulone | 20–28% | 28–35% |
| Total oil | 0.4–1 mL | 1.5–3 mL |
| Myrcene | 41–43% | 35–55% |
| Humulene | 18–20% | 15–25% |
| Caryophyllene | 5–7% | 8–10% |
| Farnesene | 0–1% | 0–1% |
| Origin | Czech Republic | United States |
| Purpose | Aroma | Bittering |