Hop comparison
Bor vs Challenger
Bor is a dual-purpose hop from Czechia; Challenger is a dual-purpose hop from United Kingdom. Alpha acids: 7–10% for Bor versus 6.5–9% for Challenger, a similar bittering potential. Total oil: 0.85–1.5 versus 1–1.5 mL/100 g. Bor has a clearly higher share of myrcene, the oil behind resinous, citrus and fruity notes. Shared aroma notes: spicy. Bor adds hoppy; Challenger, cedar, green tea, sweet floral. By aroma families, descriptors, use and alpha acids, they are among each other's closest profiles in the catalogue.
| Bor | Challenger | |
|---|---|---|
| Use | Dual-purpose hop | Dual-purpose hop |
| Origin | Czechia | United Kingdom |
| Year | 1994 | 1972 |
| Breeder | – | Wye College (Reino Unido) |
| Alpha acids (% w/w) | 7–10 | 6.5–9 |
| Beta acids (% w/w) | 4–6.5 | 3.2–4.2 |
| Co-humulone (% of alpha) | 22–26 | 20–25 |
| Total oil (mL/100 g) | 0.85–1.5 | 1–1.5 |
| Myrcene (% of oil) | 35–50 | 30 |
| Humulene (% of oil) | 25–35 | 25 |
| Caryophyllene (% of oil) | 7–12 | – |
| Farnesene (% of oil) | 0–0.6 | 1 |
| Linalool (% of oil) | 0.2–0.4 | – |
| Aroma families | herbal, spicy | floral, herbal, spicy |
| Descriptors | hoppy, spicy | spicy, cedar, green tea, sweet floral |
| Sources | 2 | 3 |
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