Dr. RudivsCentennial
Dr. Rudi and Centennial are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Dr. Rudi
Alpha acid
10–12%
Beta acid
7–8.5%
Total oil
1.3–1.6 mL
New Zealand
Centennial
Alpha acid
7–12%
Beta acid
3.5–5.5%
Total oil
1–3 mL
United States
Key differences
When to pick Dr. Rudi
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Centennial
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Pine
Only in Dr. Rudi
ResinLemongrass
Only in Centennial
CitrusFloralGrapefruitTangerine
Property
| Property | Dr. Rudi | Centennial |
|---|---|---|
| Alpha acid | 10–12% | 7–12% |
| Beta acid | 7–8.5% | 3.5–5.5% |
| Co-humulone | 36–39% | 23–30% |
| Total oil | 1.3–1.6 mL | 1–3 mL |
| Myrcene | 28–30% | 55–65% |
| Humulene | 33–34% | 10–20% |
| Caryophyllene | 9–11% | 5–7% |
| Farnesene | 0–1% | 0–1% |
| Origin | New Zealand | United States |
| Purpose | Dual purpose | Dual purpose |