Emulsifier from yeast

The invention provides a mannoprotein obtainable by a heat treatment of a food grade yeast material suspended in an aqueous medium, at a pH between 4.5 and 9.0, which heat treatment comprises heating the yeast material to a temperature between 70 and 100C and maintaining it at that temperature for b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VEENEMA, MARTIN J, SCHMEDDING, DIEDERIK JOHANNES MARIA, KUNST, ANTHONIE, VAN SCHIE, BARTHOLOMEUS JOSEF
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention provides a mannoprotein obtainable by a heat treatment of a food grade yeast material suspended in an aqueous medium, at a pH between 4.5 and 9.0, which heat treatment comprises heating the yeast material to a temperature between 70 and 100C and maintaining it at that temperature for between 8 hours and 2 minutes, or alternatively, heating the yeast material to a temperature between 100 and 200C and maintaining it at that temperature for between 1 hour and 5 seconds. The heat treatment at or below 100C may be carried out at atmospheric pressure. The heat treatment at or above 100C may conveniently be carried out continuously. The mannoprotein obtained is useful as an emulsifier in foods and beverages, particularly to stabilize beer foam.