Stabilization process particularly for grape must

Details Stabilization process particularly for grape must Stabilization process particularly for grape must

1991-01-14

1992-05-12

Czaja, Donald E.

Food or edible material: processes, compositions, and products

Fermentation processes

Of plant or plant derived material

426 49, 426 51, 426236, 426312, 4263304, C12G 100, A23B 7144

Patent

active

051126273

ABSTRACT:
The room-temperature stabilization process particularly for grape must, includes the steps of conveying a flow of grape must to be stabilized, which has preliminarily been subjected to a depectizing treatment with enzymes, toward a flotation tank, of pressurizing all or part of the must in a pressurization tank with dissolution of an oxidizing gas at a pressure comprised between 2 and 6 bar, of depressurizing the part through a laminar flow valve, of mixing the flow of crude must and the depressurized must, of adding coagulating substances in the flow, of feeding the flow into a tank with a very low head in which the supersaturated gas is released in the form of microscopic bubbles which cling to the particles suspended in the must, making them float toward the surface, of removing the floated solids from the surface of the tank and the settled solids from the bottom, and finally of extracting the stabilized must from the tank after a permanence time of no more than 20 minutes.

REFERENCES:
patent: 2108030 (1938-02-01), Darrah
patent: 4211799 (1980-07-01), Grampp et al.
Chemical Abstracts, vol. 95, No. 9, Oct. 1981, Columbus, Ohio, U.S.; Abstract No. 148659, Guerzoni, M. E. et al., "Stabilization of White Wine by Early Hyperoxidation of Must", p. 496, column 2, abstract.
Chemical Abstract, vol. 96, No. 5, Mar. 1982, Colubmus, Ohio, U.S.; Abstract No. 67208, Uses: Nauchno-Issled, "Treatment of Must and Wine for Grapes Infected with Grey Mold", p. 465; column 1, abstract.
Chemical Abstracts, vol. 78, No. 13, Apr. 2, 1973, Columbus, Ohio, U.S.; Abstract No. 82907, Valaiko, G. G. "Preparation of Red Semisweet Wines in Armenia", p. 319, column 1, abstract.

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