LibertyvsAurum

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

Liberty

Bittering

Alpha acid

3–6.5%

Beta acid

3–4%

Total oil

0.6–1.8 mL

United States

Aurum

Aroma

Alpha acid

3.5–5.7%

Beta acid

3.1%

Total oil

0.5–1.7 mL

Germany

Key differences

When to pick Liberty

  • Bittering workhorse - efficient in the mash

When to pick Aurum

  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

NobleFloralHerbalSpicyCitrus

Only in Liberty

DelicateLemon

Only in Aurum

FruityMildEarthy

Property

PropertyLibertyAurum
Alpha acid3–6.5%3.5–5.7%
Beta acid3–4%3.1%
Co-humulone22–30%20–23%
Total oil0.6–1.8 mL0.5–1.7 mL
Myrcene15–25%-
Humulene35–45%-
Caryophyllene10–15%-
Farnesene0–1%-
OriginUnited StatesGermany
PurposeBitteringAroma

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