Dr. RudivsRakau

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

Dr. Rudi

Dual purpose

Alpha acid

10–12%

Beta acid

7–8.5%

Total oil

1.3–1.6 mL

New Zealand

Rakau

Dual purpose

Alpha acid

9–12%

Beta acid

5–6%

Total oil

1.8–2.2 mL

New Zealand

Key differences

When to pick Dr. Rudi

  • Higher beta acid - smoother, longer-lasting bitterness

When to pick Rakau

  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

ResinPine

Only in Dr. Rudi

Lemongrass

Only in Rakau

Stone fruitFigFruityApricot

Property

PropertyDr. RudiRakau
Alpha acid10–12%9–12%
Beta acid7–8.5%5–6%
Co-humulone36–39%23–25%
Total oil1.3–1.6 mL1.8–2.2 mL
Myrcene28–30%55–57%
Humulene33–34%16–17%
Caryophyllene9–11%5–6%
Farnesene0–1%4–5%
OriginNew ZealandNew Zealand
PurposeDual purposeDual purpose

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