XJA2/436
Alpha acid
11.5–16.4%
Beta acid
7.8–8.4%
Total oil
1.1–1.7 mL
South Africa
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 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
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
LemonCitrus
Only in XJA2/436
ZestPapayaCataloupeGooseberryResinBlueberry
Only in Ahtanum
GrapefruitGeraniumPineEarthyFloralCedar
Property
| Property | XJA2/436 | Ahtanum |
|---|---|---|
| Alpha acid | 11.5–16.4% | 3.5–6.5% |
| Beta acid | 7.8–8.4% | 4–6.5% |
| Co-humulone | 29–30% | 30–35% |
| Total oil | 1.1–1.7 mL | 0.5–1.7 mL |
| Myrcene | 18–30% | 45–55% |
| Humulene | 21–35% | 15–22% |
| Caryophyllene | 11–13% | 9–12% |
| Farnesene | 8–18% | 0–1% |
| Origin | South Africa | United States |
| Purpose | Bittering | Aroma |