Hop comparison
Spalter Select vs Sterling
Spalter Select is an aroma hop from Germany; Sterling is an aroma hop from USA. Alpha acids: 3–6.5% for Spalter Select versus 5–7.5% for Sterling, a similar bittering potential. Total oil: 0.6–0.9 versus 1.05–1.55 mL/100 g. Sterling has a clearly higher share of myrcene, the oil behind resinous, citrus and fruity notes. Spalter Select adds spicy, grassy, floral notes; Sterling, floral, tea, tobacco. By aroma families, descriptors, use and alpha acids, they are among each other's closest profiles in the catalogue.
| Spalter Select | Sterling | |
|---|---|---|
| Use | Aroma hop | Aroma hop |
| Origin | Germany | USA |
| Year | 1993 | 1998 |
| Breeder | – | USDA Corvallis, OR |
| Alpha acids (% w/w) | 3–6.5 | 5–7.5 |
| Beta acids (% w/w) | 2.5–5 | 4.5–6 |
| Co-humulone (% of alpha) | 22–25 | 23–24 |
| Total oil (mL/100 g) | 0.6–0.9 | 1.05–1.55 |
| Myrcene (% of oil) | 20–40 | 46 |
| Humulene (% of oil) | – | 19–23 |
| Caryophyllene (% of oil) | – | 5–7 |
| Farnesene (% of oil) | 1–1.5 | 12–16 |
| Linalool (% of oil) | 1–1.5 | 0.7–0.9 |
| Aroma families | citrus, floral, herbal, spicy, earthy and woody | other fruit, floral, herbal, spicy |
| Descriptors | spicy, grassy, floral notes, grassy notes | floral, tea, tobacco, flowers, peppery spice, the occasional hint of red grape, brighter and more floral than czech saaz, signature spicy finish |
| Sources | 3 | 2 |
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