Topaz
Topaz was originally selected as a seedless high alpha-acid hop for the production of extract, but recent work has shown it to have excellent flavour potential, to the point that a beer hopped solely with Topaz was the most preferred of a group of five single hop beers by tasters at Brau 2010.
As a flavour addition Topaz can provide earthy notes similar in character to old English cultivars, and fruit flavour such as lychee can be detected in later additions and higher gravity brews.
| Analytical Data | |
|---|---|
| Yield (Kg/Ha) | 3800 – 4200 |
| Alpha acids (%) | 15.5 – 18.0 |
| Beta acids (%) | 6.0 – 7.0 |
| Alpha/Beta Ratio | 2.3 – 2.8 |
| Cohumulone (%) | 47 – 50 |
| Total Oils (ml/100g) | 0.8 – 1.7 |
| Oil Concentration (ml oil/g alpha) | 78 |
| Myrcene (% of whole oil) | 25 – 43 |
| Caryophyllene (% of whole oil) | 10 – 11 |
| Farnesene (% of whole oil) | 0.0 |
| Humulene (% of whole oil) | 11 – 13 |
| Selinene (% of whole oil) | 2 – 4 |
| Humulene/Caryophyllene ratio | 1.1 – 1.2 |
Hop Acids by HPLC (ICE) • Steam distilled essential oil analyzed by GC-MS
Steam distilled essential oil analyzed by GC-MS
The analytical values are typical for T90 pellets at time of packaging, but values can vary among crop years, growing areas, growers, and with aging after harvest.