Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Riwaka
Alpha acid
4.5–6.5%
Beta acid
4–5%
Total oil
0.8–1.5 mL
New Zealand
Key differences
When to pick Crystal
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Richer, more complex aroma profile
When to pick Riwaka
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Crystal
WoodyFloralGreenFruitySpicyCinnamonNutmegBlack currant
Only in Riwaka
TropicalPassion fruitGrapefruitCitrus
Property
| Property | Crystal | Riwaka |
|---|---|---|
| Alpha acid | 2.8–6% | 4.5–6.5% |
| Beta acid | 4.5–8.5% | 4–5% |
| Co-humulone | 20–26% | 29–38% |
| Total oil | 0.8–2.3 mL | 0.8–1.5 mL |
| Myrcene | 30–55% | 67–70% |
| Humulene | 20–30% | 8–10% |
| Caryophyllene | 5–12% | 2–6% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | New Zealand |
| Purpose | Aroma | Aroma |
Hersbrucker