Saint Joseph's University

Matthew J Farber

Pham Kent

The present invention relates to the unexpected discovery of a new strain of yeast, dubbed GY7B, which is related to, but genetically and phenotypically distinct from,. The invention provides methods of brewing sour beer using GY7B, wherein the methods do not require use of lactic acid or lactic acid producing bacteria.

Compositions and methods for brewing sour beer

The present invention relates to the unexpected discovery of a novel yeast culture medium comprising a concentration of cupric sulfate sufficient to promote growth of strains ofvar.while inhibiting growth of other varieties of brewing yeast. In certain embodiments, the invention provides a yeast culture medium. In other embodiments, the invention provides methods of using the novel yeast culture medium to test yeast slurries for contamination withvar.

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Media, PA, United States of America

Matthew J Farber