Bouclier
Alpha acid
3.8–8.5%
Beta acid
2.4–3.3%
Total oil
1.1–1.6 mL
France
Ultra
Alpha acid
3–9.7%
Beta acid
3.6–5%
Total oil
0.8–1.5 mL
United States
Key differences
When to pick Bouclier
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Ultra
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Bouclier
HerbalGrassySpicyCitrus
Only in Ultra
MildPleasantFloral
Property
| Property | Bouclier | Ultra |
|---|---|---|
| Alpha acid | 3.8–8.5% | 3–9.7% |
| Beta acid | 2.4–3.3% | 3.6–5% |
| Co-humulone | 42–47% | 25–35% |
| Total oil | 1.1–1.6 mL | 0.8–1.5 mL |
| Myrcene | 37–39% | 50–60% |
| Humulene | 33–35% | 10–15% |
| Caryophyllene | 3–4% | 6–9% |
| Farnesene | - | 0–1% |
| Origin | France | United States |
| Purpose | Aroma | Aroma |