CTZvsDr. Rudi

CTZ and Dr. Rudi are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

CTZ

Dual purpose

Alpha acid

14.5–17%

Beta acid

4.5–5.5%

Total oil

2.5–4.5 mL

United States

Dr. Rudi

Dual purpose

Alpha acid

10–12%

Beta acid

7–8.5%

Total oil

1.3–1.6 mL

New Zealand

Key differences

When to pick CTZ

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Richer, more complex aroma profile

When to pick Dr. Rudi

  • Higher beta acid - smoother, longer-lasting bitterness

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in CTZ

Black currantLicoriceCurryCitrusCannabisDank

Only in Dr. Rudi

ResinPineLemongrass

Property

PropertyCTZDr. Rudi
Alpha acid14.5–17%10–12%
Beta acid4.5–5.5%7–8.5%
Co-humulone28–35%36–39%
Total oil2.5–4.5 mL1.3–1.6 mL
Myrcene45–55%28–30%
Humulene9–14%33–34%
Caryophyllene6–10%9–11%
Farnesene0–1%0–1%
OriginUnited StatesNew Zealand
PurposeDual purposeDual purpose

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