Pacific GemvsSterling
Pacific Gem (bittering) and Sterling (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
Sterling
Alpha acid
5.5–8.5%
Beta acid
4–6%
Total oil
1–2 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
- Richer, more complex aroma profile
When to pick Sterling
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
Floral
Only in Pacific Gem
Black currantBerryBlackberryOakPine
Only in Sterling
NobleHerbalSpicy
Property
| Property | Pacific Gem | Sterling |
|---|---|---|
| Alpha acid | 13–15% | 5.5–8.5% |
| Beta acid | 7–9% | 4–6% |
| Co-humulone | 35–40% | 22–28% |
| Total oil | 0.8–1.6 mL | 1–2 mL |
| Myrcene | 30–40% | 35–45% |
| Humulene | 20–30% | 16–18% |
| Caryophyllene | 6–12% | 5–8% |
| Farnesene | 0–1% | 15–19% |
| Origin | New Zealand | United States |
| Purpose | Bittering | Aroma |