Hop comparison
Aurora vs XJA2/436
Aurora is an aroma hop from Slovenia; XJA2/436 is a hop variety from South Africa. Alpha acids: 7.4–10.8% for Aurora versus 11.5–15.4% for XJA2/436, so XJA2/436 brings noticeably more bitterness per gram. Total oil: 0.85–1.5 versus 1.1–1.7 mL/100 g. Aurora has a clearly higher share of myrcene, the oil behind resinous, citrus and fruity notes. Aurora adds aniseed, tea, lime; XJA2/436, bergamot citrus, dried lemon zest, candied papaya. Both stand out for bergamot notes, an uncommon descriptor in the catalogue.
| Aurora | XJA2/436 | |
|---|---|---|
| Use | Aroma hop | Hop variety |
| Origin | Slovenia | South Africa |
| Year | – | – |
| Breeder | Slovenian Institute of Hop Research and Brewing, Žalec | – |
| Alpha acids (% w/w) | 7.4–10.8 | 11.5–15.4 |
| Beta acids (% w/w) | 3–4.7 | 5–6 |
| Co-humulone (% of alpha) | 22–26 | 28–29 |
| Total oil (mL/100 g) | 0.85–1.5 | 1.1–1.7 |
| Myrcene (% of oil) | 35–53 | 19–34 |
| Humulene (% of oil) | 20–27 | 21–35 |
| Caryophyllene (% of oil) | 4–8 | 10–13 |
| Farnesene (% of oil) | 5.5–9.5 | 4–18 |
| Linalool (% of oil) | 0.8–1.3 | 0.4–1.3 |
| Aroma families | citrus, floral, herbal, spicy, resinous | citrus, tropical fruit, other fruit, resinous |
| Descriptors | aniseed, tea, lime, floral, pine, bergamot, lemon grass | bergamot citrus, dried lemon zest, candied papaya, ripe cantaloupe, gooseberries, resin |
| Sources | 2 | 1 |
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Aurora
XJA2/436