Purification of inositol from plant materials

Details Purification of inositol from plant materials Purification of inositol from plant materials

C - Chemistry, Metallurgy

07

C

C07C 29/76 (2006.01) C07C 35/16 (2006.01) C12P 7/02 (2006.01)

Patent

CA 2413240

Discloses a process for production of inositol, which is a highly valued B- vitamin, from plant material. Inositol is present in the plant start material as a phytate, which is the storage form for phosphorus in the plants. A phytase enzyme is introduced to an aqueous slurry of plant material to partially hydrolyse myoinositol 1,2,3,4,5,6-hexakis (dihydrogen phosphate) to generate inositol phosphates (myoinositol penta phosphate (IP5) myoinositol tetra phosphate (IP4), myoinositol triphosphate (IP3), myoinositol diphosphate (IP2) and myoinositol monophosphate (IP1) but without substantial hydrolysis of myoinositol 1-phosphate IP1). The insoluble materials are filtered from the slurry output and the charged ionic species of the solution are recovered into an ionic fraction. The inositol phosphates in the ionic fraction are fully hydrolized, by process parameters of pressure temperature and pH or an enzyme such as acid phosphatase. The charged ionic species of the solution are removed leaving a neutral inositol enriched fraction. The inositol in the inositol enriched fraction solution can be concentrated, crystallized and dried to form a final dry inositol product.

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