Sterling
Alpha acid
5.5–8.5%
Beta acid
4–6%
Total oil
1–2 mL
United States
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 Sterling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Floral
Only in Sterling
NobleHerbalSpicy
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyCedarLemon
Property
| Property | Sterling | Ahtanum |
|---|---|---|
| Alpha acid | 5.5–8.5% | 3.5–6.5% |
| Beta acid | 4–6% | 4–6.5% |
| Co-humulone | 22–28% | 30–35% |
| Total oil | 1–2 mL | 0.5–1.7 mL |
| Myrcene | 35–45% | 45–55% |
| Humulene | 16–18% | 15–22% |
| Caryophyllene | 5–8% | 9–12% |
| Farnesene | 15–19% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Aroma |