Method for producing grape must and wine
AssigneeKikkoman Corporation
InventorsMasazumi Watanabe, Mikio Uehara, Yoshimi Shimazu, Jiro Ishiyama, Motohiko Kato
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Abstract
A glycerol-enriched artificially botrytized grape must is obtained by adding cyclic-3',5'-adenylic acid or cyclic-3',5'-adenylic acid derivatives to a grape must and contacting the must aerobically with the mycelia of Botrytis cineria to increase the glycerol content of the must. A noble botrytized wine is obtained by adding a wine yeast to the above artificially botrytized grape must and subjecting the must to fermentation and subsequent aging.
Claims7
A noble botrytized grape must enriched in glycerol content to about 6% (w/v) or more obtained by adding a compound selected from the group consisting of cyclic-3',5'-adenylic acid;
- an alkali metal salt of cyclic-3',5'-adenylic acid;
- an alkaline earth metal salt of cyclic-3',5'-adenylic acid;
- N.sup.6,O.sup.2 -dibutyl-cyclic-3',5'-adenylic acid and N.sup.6 -butylestercyclic-3',5'-adenylic acid to a grape must and fermenting the grape must aerobically with mycelia of Botrytis cinerea.
In a process for producing a noble botrytized wine comprising adding a wine yeast to a grape must and subjecting the must to alcoholic fermentation and subsequent ageing the improvement which comprises adding to said grape must, before or after commencement of said alcoholic fermentation, a noble botrytized grape must enriched in glycerol content to about 6% (w/v) or more obtained by aerobically fermenting mycelia of Botrytis cinerea in a grape must containing an added compound selected from the group consisting of cyclic-3',5'-adenylic acid;
- an alkali metal salt of cyclic-3',5'-adenylic acid;
- an alkaline earth metal salt of cyclic-3',5'-adenylic acid;
- N.sup.6,O.sup.2 -dibutyl-cyclic-3',5'-adenylic acid and N.sup.6 -butylester-cyclic-3',5'-adenylic acid.
Dependencies are inferred from the claim text.