Styrian WolfvsXJA2/436

Styrian Wolf (dual purpose) and XJA2/436 (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Styrian Wolf

Dual purpose

Alpha acid

10–18.5%

Beta acid

2.1–6%

Total oil

0.7–4.5 mL

Slovenia

XJA2/436

Bittering

Alpha acid

11.5–16.4%

Beta acid

7.8–8.4%

Total oil

1.1–1.7 mL

South Africa

Key differences

When to pick Styrian Wolf

  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

When to pick XJA2/436

  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Styrian Wolf

MangoPassion fruitLemongrassElderflowerVioletFloralFruityCoconut

Only in XJA2/436

LemonZestPapayaCataloupeGooseberryResinCitrusBlueberry

Property

PropertyStyrian WolfXJA2/436
Alpha acid10–18.5%11.5–16.4%
Beta acid2.1–6%7.8–8.4%
Co-humulone22–23%29–30%
Total oil0.7–4.5 mL1.1–1.7 mL
Myrcene60–70%18–30%
Humulene5–9%21–35%
Caryophyllene2–3%11–13%
Farnesene4–7%8–18%
OriginSloveniaSouth Africa
PurposeDual purposeBittering

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