Old MissionvsOpal
Old Mission (aroma) and Opal (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Old Mission
Alpha acid
4.33%
Beta acid
3.7%
Total oil
-
United States
Opal
Alpha acid
5–14%
Beta acid
3.5–5.5%
Total oil
0.8–1.3 mL
Germany
Key differences
When to pick Old Mission
- Aroma-focused - ideal for dry hopping
When to pick Opal
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
CitrusSpicyHerbalBlack currant
Only in Old Mission
PineTart
Only in Opal
FloralAnise
Property
| Property | Old Mission | Opal |
|---|---|---|
| Alpha acid | 4.33% | 5–14% |
| Beta acid | 3.7% | 3.5–5.5% |
| Co-humulone | - | 13–34% |
| Total oil | - | 0.8–1.3 mL |
| Myrcene | - | 20–45% |
| Humulene | - | 30–50% |
| Caryophyllene | - | 8–15% |
| Farnesene | - | 0–1% |
| Origin | United States | Germany |
| Purpose | Aroma | Dual purpose |
Styrian Golding