Hop comparison
Bullion vs Zibi
Bullion is a dual-purpose hop from United Kingdom; Zibi is a hop variety from Poland. Alpha acids: 5.3–9.5% for Bullion versus 11.3% for Zibi, so Zibi brings noticeably more bitterness per gram. Total oil: 1–1.9 versus 2.5 mL/100 g. Zibi has a clearly higher share of myrcene, the oil behind resinous, citrus and fruity notes. Bullion adds blackcurrant, spicy, zest; Zibi, mango, peach, mirabelle plum. Both stand out for plum notes, an uncommon descriptor in the catalogue.
| Bullion | Zibi | |
|---|---|---|
| Use | Dual-purpose hop | Hop variety |
| Origin | United Kingdom, Argentina | Poland |
| Year | 1938 | – |
| Breeder | Prof. Ernest Salmon, Wye College, Kent | PolishHops |
| Alpha acids (% w/w) | 5.3–9.5 | 11.3 |
| Beta acids (% w/w) | 4.5–5.3 | 5.3 |
| Co-humulone (% of alpha) | 47–50 | – |
| Total oil (mL/100 g) | 1–1.9 | 2.5 |
| Myrcene (% of oil) | 50 | 66 |
| Humulene (% of oil) | 11.5 | 11.5 |
| Caryophyllene (% of oil) | 6.7 | 4.2 |
| Farnesene (% of oil) | 0.2 | 0.5 |
| Linalool (% of oil) | 0.7 | 0.7 |
| Aroma families | citrus, stone fruit, berries and red fruit, spicy | tropical fruit, stone fruit |
| Descriptors | blackcurrant, spicy, zest, orange, spice, dark red fruit, stone fruit aromas (peaches, nectarines | mango, peach, mirabelle plum, tropical |
| Sources | 3 | 1 |
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