Single step extraction of bitter principle and tannins from hops

Details Single step extraction of bitter principle and tannins from hops Single step extraction of bitter principle and tannins from hops

1982-01-20

1984-12-25

Jones, Raymond

Food or edible material: processes, compositions, and products

Products per se, or processes of preparing or treating...

Hop derived ingredient, including hopping of wort

426427, 426429, 426476, 426489, 426494, 203DIG13, A23L 128

Patent

active

044904053

ABSTRACT:
A process for extracting bitter principle and tannin from hops, uses ethanol as the extracting agent in a single extraction. By controlling the water content of the ethanol used, the quantity of extracted tannin can be controlled. The tannin component can be separated out of the obtained extract as desired. By treating the extract with water vapor, all the alcohol can be simultaneously expelled and recovered. Ethanol is preferably removed and recovered from the resultant draff by means of the flash desolventizing system (FDS) method.

REFERENCES:
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patent: 3607298 (1971-09-01), Mitchell et al.
patent: 3891781 (1975-06-01), Bauer et al.
patent: 3973052 (1976-08-01), Mitchell
patent: 4049834 (1977-09-01), Barwald et al.
Weber, K., "Verfahren und Vorrichting zum Gewinning von Oelsaatenschroten mit Differenziertem Anteil an Wasserloeslichen Proteinen", Fette, Seifen Anstrichmittel, 76, 495-498, (1974).

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