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BarthHaas

Cluster

United States

DESCRIPTION

Cluster is the oldest variety grown in the US. The rootstock origin is uncertain. Until the late 1970s, Cluster was one of only a few varieties grown in the US and made up the majority hop acreage. It has a medium alpha acid content, strong yields and the storage stability of its alpha acids is among the best in the world. The choice of name may be connected to the way in which the blossoms are arranged in clusters.

KEY FLAVORS

  • Strawberry
  • Lemon tea
  • Apricot
  • Creamy
  • Grapefruit

ANCESTRY

Unknown, but possibly a cross between English variety and US male hop

ANALYSES

CULTIVATION AREA
United States
ALPHA-ACIDS*
5.5 - 8.5 %
BETA-ACIDS
4.5 - 5.5 %
TOTAL OIL
0.4 - 0.8 ML/100G
MYRCENE
45 - 55 %

*Alpha acids are determined by conductometric titration (EBC 7.4) in Europe, by spectrophotometry (ASBC Hops-6) in the USA. Oil composition is determined by gas chromatography (ASBC Hops-17, EBC 7.12).

AROMA PROFILE

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