ChelanvsAurum

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

Chelan

Bittering

Alpha acid

12–15%

Beta acid

8.5–10%

Total oil

1.5–1.9 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 Chelan

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Aurum

  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

FloralCitrusFruityMild

Only in Chelan

-

Only in Aurum

SpicyHerbalEarthyNoble

Property

PropertyChelanAurum
Alpha acid12–15%3.5–5.7%
Beta acid8.5–10%3.1%
Co-humulone33–35%20–23%
Total oil1.5–1.9 mL0.5–1.7 mL
Myrcene45–55%-
Humulene12–15%-
Caryophyllene9–12%-
Farnesene0–1%-
OriginUnited StatesGermany
PurposeBitteringAroma

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