Aurum
Alpha acid
3.5–5.7%
Beta acid
3.1%
Total oil
0.5–1.7 mL
Germany
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 Aurum
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Crystal
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
Shared aromas
SpicyFruityFloral
Only in Aurum
MildHerbalEarthyCitrusNoble
Only in Crystal
WoodyGreenCinnamonNutmegBlack currant
Property
| Property | Aurum | Crystal |
|---|---|---|
| Alpha acid | 3.5–5.7% | 2.8–6% |
| Beta acid | 3.1% | 4.5–8.5% |
| Co-humulone | 20–23% | 20–26% |
| Total oil | 0.5–1.7 mL | 0.8–2.3 mL |
| Myrcene | - | 30–55% |
| Humulene | - | 20–30% |
| Caryophyllene | - | 5–12% |
| Farnesene | - | 0–1% |
| Origin | Germany | United States |
| Purpose | Aroma | Aroma |