Tsingdao FlowervsAhtanum

Tsingdao Flower (dual purpose) and Ahtanum (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Tsingdao Flower

Dual purpose

Alpha acid

6–8%

Beta acid

3–4.2%

Total oil

0.4–0.8 mL

China

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Key differences

When to pick Tsingdao Flower

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma

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

Aroma profile and use

Shared aromas

EarthyLemonCitrus

Only in Tsingdao Flower

Melon

Only in Ahtanum

GrapefruitGeraniumPineFloralCedar

Property

PropertyTsingdao FlowerAhtanum
Alpha acid6–8%3.5–6.5%
Beta acid3–4.2%4–6.5%
Co-humulone35%30–35%
Total oil0.4–0.8 mL0.5–1.7 mL
Myrcene-45–55%
Humulene-15–22%
Caryophyllene-9–12%
Farnesene-0–1%
OriginChinaUnited States
PurposeDual purposeAroma

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