C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 17/10 (2006.01) C07K 1/04 (2006.01) C07K 17/04 (2006.01)
Patent
CA 2617802
The present invention concerns the gelation of an undenatured protein and a polysaccharide dispersions by a gradual pH adjustment of their mixture The final pH of the mixture is close to or lower than the isoelectric point of the protein when anionic polysaccharides are used. In the present invention, the undenatured protein and the polysaccharide in the gel state have net opposite electric charges. The concentration of protein and polysaccharide preferably ranges from 0.02 to 10 wt%. The present invention also concerns a gel obtained by this method.
La présente invention concerne la gélification d'une dispersion d'une protéine non dénaturée et d'un polysaccharide par ajustement progressif du pH du mélange de ces deux substances. Le pH final du mélange est environ égal, ou inférieur, au point isoélectrique de la protéine lorsque des polysaccharides anioniques sont employés. Dans la présente invention, la protéine non dénaturée et le polysaccharide présentent, à l'état gélifié, des charges électriques totales opposées. La concentration en protéine et en polysaccharide est préférentiellement comprise entre 0,02 et 10 % en masse. La présente invention concerne en outre un gel obtenu par le biais de cette méthode.
Laneuville Ballester Sandra I.
Paquin Paul
Sanchez Christian
Turgeon Sylvie L.
Institut National Polytechnique de Lorraine
Robic
Universite Laval
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