Amethyst
Alpha acid
3.5–6%
Beta acid
7–8%
Total oil
0.4–1 mL
Czech Republic
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 Amethyst
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Ahtanum
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
CitrusEarthy
Only in Amethyst
Spicy
Only in Ahtanum
GrapefruitGeraniumPineFloralCedarLemon
Property
| Property | Amethyst | Ahtanum |
|---|---|---|
| Alpha acid | 3.5–6% | 3.5–6.5% |
| Beta acid | 7–8% | 4–6.5% |
| Co-humulone | 20–28% | 30–35% |
| Total oil | 0.4–1 mL | 0.5–1.7 mL |
| Myrcene | 41–43% | 45–55% |
| Humulene | 18–20% | 15–22% |
| Caryophyllene | 5–7% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | Czech Republic | United States |
| Purpose | Aroma | Aroma |