Dr. RudivsSpalter Select
Dr. Rudi (dual purpose) and Spalter Select (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Dr. Rudi
Alpha acid
10–12%
Beta acid
7–8.5%
Total oil
1.3–1.6 mL
New Zealand
Spalter Select
Alpha acid
3–6.5%
Beta acid
2.5–5%
Total oil
0.5–0.9 mL
Germany
Key differences
When to pick Dr. Rudi
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
When to pick Spalter Select
- Aroma-focused - ideal for dry hopping
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Dr. Rudi
ResinPineLemongrass
Only in Spalter Select
SpicyGrassy
Property
| Property | Dr. Rudi | Spalter Select |
|---|---|---|
| Alpha acid | 10–12% | 3–6.5% |
| Beta acid | 7–8.5% | 2.5–5% |
| Co-humulone | 36–39% | 21–27% |
| Total oil | 1.3–1.6 mL | 0.5–0.9 mL |
| Myrcene | 28–30% | 20–40% |
| Humulene | 33–34% | 10–22% |
| Caryophyllene | 9–11% | 4–10% |
| Farnesene | 0–1% | 15–22% |
| Origin | New Zealand | Germany |
| Purpose | Dual purpose | Aroma |