| 摘要 |
The present invention refers to extraction methods for classified extraction and separation of vegetal and/or animal ingredients by means of a multi step elution process. Particularly, the present invention refers to separation of vegetal ingredients, so for example for the extraction and separation of hops ingredients, using the vegetal self-cellulose as stationary phase. Furthermore, the present invention refers to the use of thus obtained hops extracts for the production of beers, enriched with and depleted of phyto-hormones, respectively, as well as beers enriched with xanthohumol.
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