AhtanumvsTsingdao Flower
Ahtanum (aroma) and Tsingdao Flower (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Tsingdao Flower
Alpha acid
6–8%
Beta acid
3–4.2%
Total oil
0.4–0.8 mL
China
Key differences
When to pick Ahtanum
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
When to pick Tsingdao Flower
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
CitrusEarthyLemon
Only in Ahtanum
GrapefruitGeraniumPineFloralCedar
Only in Tsingdao Flower
Melon
Property
| Property | Ahtanum | Tsingdao Flower |
|---|---|---|
| Alpha acid | 3.5–6.5% | 6–8% |
| Beta acid | 4–6.5% | 3–4.2% |
| Co-humulone | 30–35% | 35% |
| Total oil | 0.5–1.7 mL | 0.4–0.8 mL |
| Myrcene | 45–55% | - |
| Humulene | 15–22% | - |
| Caryophyllene | 9–12% | - |
| Farnesene | 0–1% | - |
| Origin | United States | China |
| Purpose | Aroma | Dual purpose |