Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Sterling
Alpha acid
5.5–8.5%
Beta acid
4–6%
Total oil
1–2 mL
United States
Key differences
When to pick Crystal
- Higher beta acid - smoother, longer-lasting bitterness
- Richer, more complex aroma profile
When to pick Sterling
- Higher alpha acid - stronger bittering
Aroma profile and use
Shared aromas
FloralSpicy
Only in Crystal
WoodyGreenFruityCinnamonNutmegBlack currant
Only in Sterling
NobleHerbal
Property
| Property | Crystal | Sterling |
|---|---|---|
| Alpha acid | 2.8–6% | 5.5–8.5% |
| Beta acid | 4.5–8.5% | 4–6% |
| Co-humulone | 20–26% | 22–28% |
| Total oil | 0.8–2.3 mL | 1–2 mL |
| Myrcene | 30–55% | 35–45% |
| Humulene | 20–30% | 16–18% |
| Caryophyllene | 5–12% | 5–8% |
| Farnesene | 0–1% | 15–19% |
| Origin | United States | United States |
| Purpose | Aroma | Aroma |