Separation of phytate from plant protein using ion exchange

Details Separation of phytate from plant protein using ion exchange Separation of phytate from plant protein using ion exchange

C - Chemistry, Metallurgy

07

F

C07F 9/117 (2006.01) A23J 1/14 (2006.01)

Patent

CA 2143280

A process for the removal of phytate from protein using ion exchange has been developed. The process involves the upflow passage of a protein slurry at an elevated temperature through a strong base anion exchanger in the chloride form. The weak base anion sites inherent to the resin have been converted to the free base form. The anion exchange material can easily be regenerated. The process can be used on-line, yields phytate removal of greater than 90 %, has high (greater than 90 %) protein recovery, is cost-effective, and is environmentally friendly.

Procédé d'élimination de phytates dans les protéines par échange ionique. Le procédé comporte le passage par courant ascendant d'une boue de protéines à une température élevée dans un échangeur d'anions fortement basiques sous forme de chlorure. Les sites anions faiblement basiques inhérents à la résine ont été convertis à la base libre. Le matériau d'échange d'anions peut être facilement régénéré. Le procédé, qui peut être utilisé en ligne, permet d'éliminer plus de 90 % des phytates et de récupérer un taux élevé de protéines (plus de 90 %), est rentable et ne nuit pas à l'environnement.

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