期刊
FOOD CHEMISTRY
卷 172, 期 -, 页码 742-756出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2014.09.139
关键词
Hop alpha acids; Hop beta acids; Hop sesquiterpenes; Chemical transformation; Brewing process; Beer properties; Humulone; Lupulone; Xanthohumol; Alpha-humulene; Beta-caryophyllene
资金
- IWT, Flanders
- Belspo [IAP 7/05]
- KU Leuven (Methusalem Grant CASAS)
The annual production of hops (Humulus lupulus L.) exceeds 100,000 mt and is almost exclusively consumed by the brewing industry. The value of hops is attributed to their characteristic secondary metabolites; these metabolites are precursors which are transformed during the brewing process into important bittering, aromatising and preservative components with rather low efficiency. By selectively transforming these components off-line, both their utilisation efficiency and functionality can be significantly improved. Therefore, the chemical transformations of these secondary metabolites will be considered with special attention to recent advances in the field. The considered components are the hop alpha-acids, hop beta-acids and xanthohumol, which are components unique to hops, and alpha-humulene and beta-caryophyllene, sesquiterpenes which are highly characteristic of hops. (C) 2014 Elsevier Ltd. All rights reserved.
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