Hop comparison
Astra vs Emerald Spire
Astra is a dual-purpose hop from Australia; Emerald Spire is a dual-purpose hop from USA. Alpha acids: 7–10% for Astra versus 4.5–7% for Emerald Spire, so Astra brings noticeably more bitterness per gram. Total oil: 1–3 versus 1.55 mL/100 g. Shared aroma notes: peach. Astra adds tropical fruit, sweet, white wine; Emerald Spire, juicy fruit, white grape, watermelon. By aroma families, descriptors, use and alpha acids, they are among each other's closest profiles in the catalogue.
| Astra | Emerald Spire | |
|---|---|---|
| Use | Dual-purpose hop | Dual-purpose hop |
| Origin | Australia | USA |
| Year | 2016 | – |
| Breeder | Ellerslie Hop Australia | Great Lakes Hops (GLH) |
| Alpha acids (% w/w) | 7–10 | 4.5–7 |
| Beta acids (% w/w) | 4–6 | 3.5–5 |
| Co-humulone (% of alpha) | 26–28 | 39 |
| Total oil (mL/100 g) | 1–3 | 1.55 |
| Myrcene (% of oil) | – | 36.4 |
| Humulene (% of oil) | 6–8 | 14.9 |
| Caryophyllene (% of oil) | 2–3 | 9.7 |
| Farnesene (% of oil) | – | 0.5 |
| Linalool (% of oil) | – | 1.1 |
| Aroma families | citrus, tropical fruit, stone fruit, other fruit, sweet | citrus, tropical fruit, stone fruit, other fruit, floral, sweet |
| Descriptors | tropical fruit, sweet, peach, white wine, melon, grassy, grapefruit, honey | peach, juicy fruit, white grape, watermelon, bubble gum, melon rind, champagne |
| Sources | 2 | 1 |
See them in charts in the comparison tool →