Delta
Alpha acid
5.5–7%
Beta acid
5.5–7%
Total oil
0.5–1.1 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 Delta
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Riwaka
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
Aroma profile and use
Shared aromas
Citrus
Only in Delta
MelonSpicy
Only in Riwaka
TropicalPassion fruitGrapefruit
Property
| Property | Delta | Riwaka |
|---|---|---|
| Alpha acid | 5.5–7% | 4.5–6.5% |
| Beta acid | 5.5–7% | 4–5% |
| Co-humulone | 22–24% | 29–38% |
| Total oil | 0.5–1.1 mL | 0.8–1.5 mL |
| Myrcene | 25–40% | 67–70% |
| Humulene | 25–35% | 8–10% |
| Caryophyllene | 9–15% | 2–6% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | New Zealand |
| Purpose | Aroma | Aroma |