Hop comparison

Art vs XJA2/436

Art is an aroma hop from Czechia; XJA2/436 is a hop variety from South Africa. Alpha acids: 5.1–6.8% for Art versus 11.5–15.4% for XJA2/436, so XJA2/436 brings noticeably more bitterness per gram. Total oil: 0.85–1.53 versus 1.1–1.7 mL/100 g. Art has a clearly higher share of myrcene, the oil behind resinous, citrus and fruity notes. Both stand out for papaya notes, an uncommon descriptor in the catalogue.

	Art	XJA2/436
Use	Aroma hop	Hop variety
Origin	Czechia	South Africa
Year	2025	–
Breeder	Hop Research Institute Co. (Chmelařský institut), Žatec	–
Alpha acids (% w/w)	5.1–6.8	11.5–15.4
Beta acids (% w/w)	4.4–6.7	5–6
Co-humulone (% of alpha)	19–23	28–29
Total oil (mL/100 g)	0.85–1.53	1.1–1.7
Myrcene (% of oil)	21.3–67	19–34
Humulene (% of oil)	15.5–30.5	21–35
Caryophyllene (% of oil)	6.7–20.2	10–13
Farnesene (% of oil)	0.1–0.5	4–18
Linalool (% of oil)	–	0.4–1.3
Aroma families	citrus, tropical fruit, other fruit, herbal, spicy	citrus, tropical fruit, other fruit, resinous
Descriptors	–	bergamot citrus, dried lemon zest, candied papaya, ripe cantaloupe, gooseberries, resin
Sources	2	1

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