Pacific GemvsAhtanum
Pacific Gem (bittering) and Ahtanum (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Pacific Gem
Alpha acid
13–15%
Beta acid
7–9%
Total oil
0.8–1.6 mL
New Zealand
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 Pacific Gem
- 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
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
FloralPine
Only in Pacific Gem
Black currantBerryBlackberryOak
Only in Ahtanum
CitrusGrapefruitGeraniumEarthyCedarLemon
Property
| Property | Pacific Gem | Ahtanum |
|---|---|---|
| Alpha acid | 13–15% | 3.5–6.5% |
| Beta acid | 7–9% | 4–6.5% |
| Co-humulone | 35–40% | 30–35% |
| Total oil | 0.8–1.6 mL | 0.5–1.7 mL |
| Myrcene | 30–40% | 45–55% |
| Humulene | 20–30% | 15–22% |
| Caryophyllene | 6–12% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | New Zealand | United States |
| Purpose | Bittering | Aroma |