Process for the preparation of very high purity sorbitol syrups

Details Process for the preparation of very high purity sorbitol syrups Process for the preparation of very high purity sorbitol syrups

C - Chemistry, Metallurgy

07

C

260/632.7

C07C 31/26 (2006.01) C07C 29/10 (2006.01) C07C 29/76 (2006.01)

Patent

CA 1311503

31 PROCESS FOR THE PREPARATION OF VERY HIGH PURITY SORBITOL SYRUPS A B S T R A C T Process for the preparation of very high purity sorbitol syrup, wherein a starting material of which a first part is constituted by a starch hydrolysate, is subjected to a process comprising in combination - a catalytic hydrogenation step of the starting material, - a chromatographic separation step of the start- ing material which has undergone hydrogenation into a first fraction containing very pure sorbitol and which is recovered and into a second fraction containing, besides sorbitol, non-hydrogenated sugars as well as hydrogenated di- and polysaccharides, - an acid hydrolysis step of the abovesaid second fraction, which provides a partially hydrogenated starch hydrolysate which is recycled and which constitutes a se- cond part of the raw material subjected to the hydrogena- tion step.

485530

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