AurumvsLiberty

Aurum (aroma) and Liberty (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Aurum

Aroma

Alpha acid

3.5–5.7%

Beta acid

3.1%

Total oil

0.5–1.7 mL

Germany

Liberty

Bittering

Alpha acid

3–6.5%

Beta acid

3–4%

Total oil

0.6–1.8 mL

United States

Key differences

When to pick Aurum

  • Aroma-focused - ideal for dry hopping

When to pick Liberty

  • Bittering workhorse - efficient in the mash

Aroma profile and use

Shared aromas

SpicyFloralHerbalCitrusNoble

Only in Aurum

FruityMildEarthy

Only in Liberty

DelicateLemon

Property

PropertyAurumLiberty
Alpha acid3.5–5.7%3–6.5%
Beta acid3.1%3–4%
Co-humulone20–23%22–30%
Total oil0.5–1.7 mL0.6–1.8 mL
Myrcene-15–25%
Humulene-35–45%
Caryophyllene-10–15%
Farnesene-0–1%
OriginGermanyUnited States
PurposeAromaBittering

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