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challengerultra
| Property | Challenger | Ultra |
|---|---|---|
| Alpha acid | 6.5–9% | 3–9.7% |
| Beta acid | 3–4.5% | 3.6–5% |
| Co-humulone | 20–25% | 25–35% |
| Total oil | 1–1.7 mL | 0.8–1.5 mL |
| Myrcene | 30–42% | 50–60% |
| Humulene | 24–26% | 10–15% |
| Caryophyllene | 9–10% | 6–9% |
| Farnesene | 0–1% | 0–1% |
| Origin | United Kingdom | United States |
| Aromas | Cedar, Green, Fruity | Mild, Pleasant, Floral |
| Substitutes | Northern Brewer (US), Northern Brewer (GR), Perle (US), Target… | Hallertau, Crystal, Liberty, Mount Hood… |