Process to improve activity of mannoprotein as wine stabiliser

C - Chemistry – Metallurgy – 12 – H

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C12H 1/14 (2006.01) C12P 21/00 (2006.01)

Patent

CA 2589940

The present invention describes a process to improve the activity as wine stabiliser of a mannoprotein, comprising treating a mannoprotein with a basic solution at a pH of at least 9. The mannoprotein obtainable by this process is more effective in stabilising wine against tartrate precipitation or protein haze formation when compared with the mannoprotein prior to the treatment with basic solution.

La présente invention se rapporte à un procédé permettant d'améliorer l'activité de stabilisation du vin d'une mannoprotéine, qui consiste à traiter une mannoprotéine avec une solution basique présentant un pH d'au moins 9. La mannoprotéine obtenue à l'aide dudit procédé permet de stabiliser le vin pour éviter toute précipitation de tartrate ou formation de trouble protéique, et ce plus efficacement que ne le peut la mannoprotéine avant le traitement avec la solution basique.

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