Lupulin
Term from the Brauwerkstatt brewing glossary, category “Ingredients”.
Explanation
The yellow, sticky grains inside the hop cone. They contain the alpha acids for bitterness and the essential oils for aroma. Lupulin powder is concentrated lupulin and gives lots of aroma with little plant material when dry hopping.
Test your knowledge
What does the lupulin in a hop cone contain?
- Alpha acids and essential oils
- Starch and protein
- Yeast and lactic acid bacteria
Show answer
Correct: Alpha acids and essential oils. The yellow lupulin grains contain the alpha acids for bitterness and the oils for aroma.