Delta
Alpha acid
5.5–7%
Beta acid
5.5–7%
Total oil
0.5–1.1 mL
United States
Zappa
Alpha acid
6–9%
Beta acid
8–9%
Total oil
1.8–2.5 mL
United States
Key differences
When to pick Delta
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Zappa
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
CitrusSpicy
Only in Delta
Melon
Only in Zappa
MintSavoryFruityMangoPassion fruitTropicalPineFresh
Property
| Property | Delta | Zappa |
|---|---|---|
| Alpha acid | 5.5–7% | 6–9% |
| Beta acid | 5.5–7% | 8–9% |
| Co-humulone | 22–24% | 40–45% |
| Total oil | 0.5–1.1 mL | 1.8–2.5 mL |
| Myrcene | 25–40% | 64–65% |
| Humulene | 25–35% | 4–5% |
| Caryophyllene | 9–15% | 8–9% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Aroma |