XJA2/436
Alpha acid
11.5–16.4%
Beta acid
7.8–8.4%
Total oil
1.1–1.7 mL
South Africa
Columbus
Alpha acid
14–18%
Beta acid
4.5–6%
Total oil
2.5–4.5 mL
United States
Key differences
When to pick XJA2/436
- Higher beta acid - smoother, longer-lasting bitterness
- Bittering workhorse - efficient in the mash
When to pick Columbus
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Citrus
Only in XJA2/436
LemonZestPapayaCataloupeGooseberryResinBlueberry
Only in Columbus
EarthyBlack currantLicoriceCurrySpicyFloralPungentDankCannabis
Property
| Property | XJA2/436 | Columbus |
|---|---|---|
| Alpha acid | 11.5–16.4% | 14–18% |
| Beta acid | 7.8–8.4% | 4.5–6% |
| Co-humulone | 29–30% | 28–35% |
| Total oil | 1.1–1.7 mL | 2.5–4.5 mL |
| Myrcene | 18–30% | 45–55% |
| Humulene | 21–35% | 9–14% |
| Caryophyllene | 11–13% | 6–10% |
| Farnesene | 8–18% | 0–1% |
| Origin | South Africa | United States |
| Purpose | Bittering | Dual purpose |