CrystalvsYellow Sub
Crystal and Yellow Sub are popular aroma hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Yellow Sub
Alpha acid
6.2–7.2%
Beta acid
-
Total oil
-
Germany
Key differences
When to pick Crystal
- Richer, more complex aroma profile
When to pick Yellow Sub
- Higher alpha acid - stronger bittering
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Crystal
WoodyFloralGreenFruitySpicyCinnamonNutmegBlack currant
Only in Yellow Sub
SweetCitrusRedApricotOrangeBlackberry
Property
| Property | Crystal | Yellow Sub |
|---|---|---|
| Alpha acid | 2.8–6% | 6.2–7.2% |
| Beta acid | 4.5–8.5% | - |
| Co-humulone | 20–26% | - |
| Total oil | 0.8–2.3 mL | - |
| Myrcene | 30–55% | - |
| Humulene | 20–30% | - |
| Caryophyllene | 5–12% | - |
| Farnesene | 0–1% | - |
| Origin | United States | Germany |
| Purpose | Aroma | Aroma |