Patents Assigned to Faculte d'Oenologie
  • Biological substance for the physico-chemical stabilization of wines
    Patent number: 6139891
    Abstract: A treatment for stabilizing wine against tartaric acids and proteins by adding mannoproteins extracted from yeast walls by enzymatic digestion, is disclosed. A method for carrying out the treatment by extracting mannoproteins from yeast by enzymatic digestion, and the resulting mannoprotein, are also disclosed.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: October 31, 2000
    Assignee: Faculte d'Oenologie
    Inventors: Denis Dubourdieu, Virginie Moine