Hop Components
Hop flowers contain lupulin glands as well as vegetable matter.
The appearance of lupulin is that of a yellowish sticky powder concentrated at the base of each hop leaf.
Lupulin glands on anther, photo by Jeanine Denoma, GRIN
The following is a simplified breakdown of a hop cone (by %).
| Hops |
|
|
100% |
|
Soft Resins |
|
13% |
|
|
Alpha Acids |
8% |
|
|
Beta Acids |
4% |
|
|
Other Resins |
1% |
|
Hard Resins |
|
2% |
|
Essential Oils |
|
1% |
|
|
Hydrocarbons |
0.75% |
|
|
Oxidative Products |
0.2% |
|
|
Sulphur containing compounds |
0.05% |
| Vegetal Material |
|
|
84% |
The following is the breakdown of the lupulin. Note: The items to the far right in are the refined hop products produced
from the lupulin.
Lupulin
| Soft Resins |
|
|
|
|
Alpha Acids (Humulones) |
|
|
|
|
Isohumulones |
Isomerized Hop Extract |
|
Beta Acids (Lupulones) |
|
Light Resistant Isomerized HopExtract |
|
|
Dihydro-Isohumulones |
|
|
|
Tetrahydro-Isohumulones |
|
|
|
Hexahydro-Isohumulones |
|
|
Other Soft Resins |
|
|
| Hard Resins |
|
|
Base Extracts (humulone and isohumulone free) |
| Essential Oils |
|
|
|
|
Hydrocarbons |
|
|
|
|
Myrcene |
|
|
|
Humulene |
|
|
|
Caryophyllene |
|
|
|
Farnesene |
|
|
|
Seinene |
|
|
Oxidative Products |
|
|
| Dry Hop Essence |
|
|
|
|
Alcohol Oxides |
|
Spicy |
|
|
Linalool |
|
|
|
Various Oxide Products |
|
| Ketone Epoxides |
|
|
Floral |
|
Humulone epoxides |
|
|
|
Multiple Ketones |
|
|
| Citrus Components |
|
|
Citrussy |
|
Many to be identified |
|
|
| Esters |
|
|
Methyl Esters |
|
Multiple Methylated Esters |
|
|
|
|
|
|
|
|
|
|
|
