ChallengervsDr. Rudi
Challenger and Dr. Rudi are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Challenger
Alpha acid
6.5–9%
Beta acid
3–4.5%
Total oil
1–1.7 mL
United Kingdom
Dr. Rudi
Alpha acid
10–12%
Beta acid
7–8.5%
Total oil
1.3–1.6 mL
New Zealand
Key differences
When to pick Challenger
- More myrcene - pronounced citrus and resinous notes
When to pick Dr. Rudi
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Challenger
CedarGreenFruity
Only in Dr. Rudi
ResinPineLemongrass
Property
| Property | Challenger | Dr. Rudi |
|---|---|---|
| Alpha acid | 6.5–9% | 10–12% |
| Beta acid | 3–4.5% | 7–8.5% |
| Co-humulone | 20–25% | 36–39% |
| Total oil | 1–1.7 mL | 1.3–1.6 mL |
| Myrcene | 30–42% | 28–30% |
| Humulene | 24–26% | 33–34% |
| Caryophyllene | 9–10% | 9–11% |
| Farnesene | 0–1% | 0–1% |
| Origin | United Kingdom | New Zealand |
| Purpose | Dual purpose | Dual purpose |
Northdown