Crystal
Crystal is a triploid variety developed from the German aroma hop variety Hallertauer Mittelfrüh with primary contributions from Cascade, Brewer’s Gold and Early Green. Released in 1993 from the USDA breeding program, Crystal has become popular in US craft brewing as a triploid Hallertauer.
Flavour profile
Woody, green, floral and fruity
Ancestry
Half-sister of Mt. Hood and Liberty derived from Hallertau Mittelfrüh and other crosses
Recommended beer styles
Analytical data
Cultivation Area
US
Ancestry
Half-sister of Mt. Hood and Liberty derived from Hallertau Mittelfrüh and other crosses
Alpha Acids (%)
4.0 – 6.0%
Beta Acids (%)
5.0 – 6.7 %
Alpha/Beta Ratio
Cuhomulone (% of alpha acids)
20-26%ofalphaacids
Total Oils (ml/100g)
0.8 – 2.1ml/100g
Oil Concentration (microlitres of oil/g alpha)
Myrcene (% of whole oil)
40-65% of total oil
Linalool (% of whole oil)
Caryophyllene (% of whole oil)
4-8% of total oil
Farnesene (% of whole oil)
<1% of total oil
Humulene (% of whole oil)
18-24% of total oil
Selinene (% of whole oil)
Humulene/Caryophllene Ratio
BRU-1
™
Characteristics
BRU-1 is notable for its distinct sweet fruit aroma that is often described as pineapple. When used
as a whirlpool or dry hop addition, BRU-1 delivers the aroma of freshly cut pineapple and green fruits. BRU-1 is synergistic with other hops creating a depth of fruit flavor. BRU-1 has also been shown to improve haze stability in certain beer styles.
Sorachi Ace
Characteristics
Sorachi Ace was developed in 1984 for Sapporo Breweries Ltd. from a cross of Brewer’s Gold, Saaz, and male Beikei No. 2. The name “Sorachi” is derived from a sub-prefecture of Hokkaido, Japan. This variety has a good yield, good resistance to mildew, wilt and botrytis. It has a rather high α-acid and oil content. The variety is currently grown in limited quantities in the U.S.
