Riwaka
Alpha acid
4.5–6.5%
Beta acid
4–5%
Total oil
0.8–1.5 mL
New Zealand
Topaz
Alpha acid
13.7–20.1%
Beta acid
4.9–7.9%
Total oil
1.3–2.2 mL
Australia
Key differences
When to pick Riwaka
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
When to pick Topaz
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
TropicalPassion fruit
Only in Riwaka
GrapefruitCitrus
Only in Topaz
LycheeCloveResinGrassyPine
Property
| Property | Riwaka | Topaz |
|---|---|---|
| Alpha acid | 4.5–6.5% | 13.7–20.1% |
| Beta acid | 4–5% | 4.9–7.9% |
| Co-humulone | 29–38% | 47–53% |
| Total oil | 0.8–1.5 mL | 1.3–2.2 mL |
| Myrcene | 67–70% | 18–56% |
| Humulene | 8–10% | 8–16% |
| Caryophyllene | 2–6% | 6–13% |
| Farnesene | 0–1% | 0–1% |
| Origin | New Zealand | Australia |
| Purpose | Aroma | Dual purpose |
Calypso