Dr. RudivsGlacier

Dr. Rudi and Glacier 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

Glacier

Dual purpose

Alpha acid

3.3–9.7%

Beta acid

5.4–10%

Total oil

0.5–1.5 mL

United States

Key differences

When to pick Dr. Rudi

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma

When to pick Glacier

  • More myrcene - pronounced citrus and resinous notes

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Dr. Rudi

ResinPineLemongrass

Only in Glacier

PlumBlackberryWoodyCedar

Property

PropertyDr. RudiGlacier
Alpha acid10–12%3.3–9.7%
Beta acid7–8.5%5.4–10%
Co-humulone36–39%11–16%
Total oil1.3–1.6 mL0.5–1.5 mL
Myrcene28–30%35–45%
Humulene33–34%25–35%
Caryophyllene9–11%8–13%
Farnesene0–1%0–1%
OriginNew ZealandUnited States
PurposeDual purposeDual purpose

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