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A Wine Production Yeast for use in Nitrogen-deficient Musts

[Category : - Food]
[Viewed 532 times]

The present invention relates to: a non-transgenically genetically improved in a strain of the yeast Saccharomyces cerevisiae, with deposit number RGM 2963; to the use thereof to produce alcoholic beverages from nitrogen-deficient musts; and to a method for obtaining said yeast by means of an intraspecific genetic improvement programme.
Benefits:
- This strain allows to produce premium wine at a commercial level independent of nitrogen levels in the must, without incorporating process modifications.
- No need to add external sources of nitrogen, avoiding the production of unwanted compounds and the need to reactivate fermentation, which affect the quality of the wine produced, decreasing its commercial value.
- Improves productivity and avoids process stoppages, reducing production costs because no supplement is needed for enzymatic activit.

Financial information

The strain was evaluated at a semi-industrial level through fermentations in 16 L of Malbec must, evaluating the produced wine through physicochemical and organoleptic analysis, corroborating the results obtained as well as verifying the commercial potential of the strain, by producing wines with a distinctive and attractive organoleptic characteristic when fermenting a must not supplemented with nitrogen.

We are currently seeking strategic partners for licensing or collaborative research to apply and use this strain in the production of commercial wines.

Patent publications:

WO 2021134138

CL 2019003925

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fcorodriguez (Chile)

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