SummervsRiwaka

Summer and Riwaka are popular aroma hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Summer

Aroma

Alpha acid

5.6–6.4%

Beta acid

4.8–6.1%

Total oil

1.4–2 mL

Australia

Riwaka

Aroma

Alpha acid

4.5–6.5%

Beta acid

4–5%

Total oil

0.8–1.5 mL

New Zealand

Key differences

When to pick Summer

  • More essential oils - more intense aroma
  • Richer, more complex aroma profile

When to pick Riwaka

  • More myrcene - pronounced citrus and resinous notes

Aroma profile and use

Shared aromas

CitrusPassion fruit

Only in Summer

ApricotMelonGrassyStone fruitPeach

Only in Riwaka

TropicalGrapefruit

Property

PropertySummerRiwaka
Alpha acid5.6–6.4%4.5–6.5%
Beta acid4.8–6.1%4–5%
Co-humulone20–25%29–38%
Total oil1.4–2 mL0.8–1.5 mL
Myrcene29–38%67–70%
Humulene28–50%8–10%
Caryophyllene8–11%2–6%
Farnesene0–1%0–1%
OriginAustraliaNew Zealand
PurposeAromaAroma

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