Bouclier
Alpha acid
3.8–8.5%
Beta acid
2.4–3.3%
Total oil
1.1–1.6 mL
France
Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Key differences
When to pick Bouclier
- Higher alpha acid - stronger bittering
When to pick Crystal
- Higher beta acid - smoother, longer-lasting bitterness
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Spicy
Only in Bouclier
HerbalGrassyCitrus
Only in Crystal
WoodyFloralGreenFruityCinnamonNutmegBlack currant
Property
| Property | Bouclier | Crystal |
|---|---|---|
| Alpha acid | 3.8–8.5% | 2.8–6% |
| Beta acid | 2.4–3.3% | 4.5–8.5% |
| Co-humulone | 42–47% | 20–26% |
| Total oil | 1.1–1.6 mL | 0.8–2.3 mL |
| Myrcene | 37–39% | 30–55% |
| Humulene | 33–35% | 20–30% |
| Caryophyllene | 3–4% | 5–12% |
| Farnesene | - | 0–1% |
| Origin | France | United States |
| Purpose | Aroma | Aroma |
Hersbrucker