OpalvsEast Kent Goldings
Opal (dual purpose) and East Kent Goldings (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Opal
Alpha acid
5–14%
Beta acid
3.5–5.5%
Total oil
0.8–1.3 mL
Germany
East Kent Goldings
Alpha acid
4–6.5%
Beta acid
1.9–3.5%
Total oil
0.4–1 mL
United Kingdom
Key differences
When to pick Opal
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
When to pick East Kent Goldings
- Bittering workhorse - efficient in the mash
Aroma profile and use
Shared aromas
Floral
Only in Opal
Black currantCitrusSpicyHerbalAnise
Only in East Kent Goldings
LavenderHoneyLemonThymeOrangeGrapefruit
Property
| Property | Opal | East Kent Goldings |
|---|---|---|
| Alpha acid | 5–14% | 4–6.5% |
| Beta acid | 3.5–5.5% | 1.9–3.5% |
| Co-humulone | 13–34% | 20–32% |
| Total oil | 0.8–1.3 mL | 0.4–1 mL |
| Myrcene | 20–45% | 29–31% |
| Humulene | 30–50% | 38–44% |
| Caryophyllene | 8–15% | 12–16% |
| Farnesene | 0–1% | 0–1% |
| Origin | Germany | United Kingdom |
| Purpose | Dual purpose | Bittering |
Golding
Styrian Golding