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challengeropal
| Property | Challenger Dual purpose | Opal Dual purpose |
|---|---|---|
| Alpha acid | 6.5–9% | 5–14% |
| Beta acid | 3–4.5% | 3.5–5.5% |
| Co-humulone | 20–25% | 13–34% |
| Total oil | 1–1.7 mL | 0.8–1.3 mL |
| Myrcene | 30–42% | 20–45% |
| Humulene | 24–26% | 30–50% |
| Caryophyllene | 9–10% | 8–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United Kingdom | Germany |
| Aromas | Cedar, Green, Fruity | Black currant, Citrus, Spicy, Floral, Herbal, Anise |
| Substitutes | Northern Brewer (US), Northern Brewer (GR), Perle (US), Target… | East Kent Golding, Styrian Golding, Tettnanger |