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challengerultra
PropertyChallengerDual purposeUltraAroma
Alpha acid6.5–9%3–9.7%
Beta acid3–4.5%3.6–5%
Co-humulone20–25%25–35%
Total oil1–1.7 mL0.8–1.5 mL
Myrcene30–42%50–60%
Humulene24–26%10–15%
Caryophyllene9–10%6–9%
Farnesene0–1%0–1%
OriginUnited KingdomUnited States
AromasCedar, Green, FruityMild, Pleasant, Floral
SubstitutesNorthern Brewer (US), Northern Brewer (GR), Perle (US), Target…Hallertau, Crystal, Liberty, Mount Hood…