FURTHER STUDIES ON THE OXIDATION OF HOP RESINS
Open Access
- 12 November 1966
- journal article
- research article
- Published by The Institute of Brewing & Distilling in Journal of the Institute of Brewing
- Vol. 72 (6), 561-569
- https://doi.org/10.1002/j.2050-0416.1966.tb03005.x
Abstract
The autoxidation of humulone, isohumulone, colupulone and cohulupone has been studied using chromatography on an ion-exchange resin. Humulone gave a mixture of products which were largely insoluble in light petroleum whereas most of the products obtained by autoxidation of colupulone were soluble in that solvent. Cohulupone was isolated for the first time from the autoxidation of colupulone. The brewing value of a water-soluble fraction of hops was also examined. The degree of resolution obtained from the ion-exchange chromatographic system enabled a detailed examination of the constituents of hop concentrates and extracts to be made.Keywords
This publication has 7 references indexed in Scilit:
- The chemistry of hop constituents. Part XXVIII. The structure of an autoxidation product of humuloneJournal of the Chemical Society C: Organic, 1966
- Chemistry of singlet oxygen III. Product selectivityTetrahedron Letters, 1965
- 185. Chemistry of hop constituents. Part XVIII. Hulupinic acidJournal of the Chemical Society, 1964
- 329. The chemistry of hop constituents. Part XV. TetrahydrocohuluponeJournal of the Chemical Society, 1963
- An Apparatus for Partition Chromatography and its Application to the Separation of the Bitter Substances of Hops.Acta Chemica Scandinavica, 1962
- Gradient Elution Analysis. I. A General Treatment.Acta Chemica Scandinavica, 1952
- 381. The chemistry of hop constituents. Part I. Humulinone, a new constituent of hopsJournal of the Chemical Society, 1950