XJA2/436vsCentennial

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

XJA2/436

Bittering

Alpha acid

11.5–16.4%

Beta acid

7.8–8.4%

Total oil

1.1–1.7 mL

South Africa

Centennial

Dual purpose

Alpha acid

7–12%

Beta acid

3.5–5.5%

Total oil

1–3 mL

United States

Key differences

When to pick XJA2/436

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash
  • Richer, more complex aroma profile

When to pick Centennial

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

Aroma profile and use

Shared aromas

Citrus

Only in XJA2/436

LemonZestPapayaCataloupeGooseberryResinBlueberry

Only in Centennial

PineFloralGrapefruitTangerine

Property

PropertyXJA2/436Centennial
Alpha acid11.5–16.4%7–12%
Beta acid7.8–8.4%3.5–5.5%
Co-humulone29–30%23–30%
Total oil1.1–1.7 mL1–3 mL
Myrcene18–30%55–65%
Humulene21–35%10–20%
Caryophyllene11–13%5–7%
Farnesene8–18%0–1%
OriginSouth AfricaUnited States
PurposeBitteringDual purpose

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