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Method for producing a powder containing xylitol crystal particles with another polyol

A technology for crystallizing granules and xylitol, applied in botany equipment and methods, sugar crystallization, chemical instruments and methods, etc., can solve problems such as increasing execution costs

Active Publication Date: 2008-07-09
ROQUETTE FRERES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The pre-grinding of xylitol to obtain a fine particle size, the use of agglomeration of low solids sorbitol syrup, and the final drying step of the powder did not give the process all the desired ease and constituted an additional operation which increased the cost of implementation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A solution having a xylitol content of 95% and a sorbitol content of 5% based on solid content was placed in an evaporation vessel to obtain a xylitol and sorbitol syrup with a solid content of 95%.

[0068] The xylitol and sorbitol syrup is placed in a storage tank at a temperature of about 80° C., from which the syrup is continuously removed by means of a pump which ensures that the syrup is dispersed in the form of pellets through the nozzle.

[0069] While the xylitol and sorbitol syrups were being dispersed, additional seed material was continuously introduced into the pilot granulator to produce a seed / syrup weight ratio of about 1 part seed / 1 part xylitol and sorbitol syrup.

[0070] The seeds are obtained by continuously recycling a portion of the resulting solidified material.

[0071] Any solid particle of crystalline xylitol can be used to provide seeds for the initial granulation.

[0072] No special temperature is required to control the granulator.

[00...

Embodiment 2

[0084] A solution having a xylitol content of 85% and a sorbitol content of 15% based on solid content was placed in an evaporation vessel to obtain a xylitol and sorbitol syrup with a solid content of 95%.

[0085] The xylitol and sorbitol syrup is placed in a storage tank at a temperature of about 80° C., from which the syrup is continuously removed by means of a pump which ensures that the syrup is dispersed in the form of pellets through the nozzle.

[0086] While the xylitol and sorbitol syrups were being dispersed, additional seed material was continuously introduced into the pilot granulator to produce a seed / syrup weight ratio of about 1 part seed / 1 part xylitol and sorbitol syrup.

[0087] The seeds are obtained by continuously recycling a portion of the resulting solidified material.

[0088] Any solid particle of crystalline xylitol can be used to provide seeds for the initial granulation.

[0089] No special temperature is required to control the granulator.

[0...

Embodiment 3

[0101] A solution having a xylitol content of 85% and a maltitol content of 15% based on solid content was placed in an evaporation vessel to obtain a xylitol and sorbitol syrup with a solid content of 95%.

[0102] The xylitol and maltitol syrup is placed in a storage tank at a temperature of about 80° C., from which the syrup is continuously removed by means of a pump which ensures that the syrup is dispersed in the form of pellets through the nozzle.

[0103] While the xylitol and maltitol syrups were being dispersed, additional seed material was continuously introduced into the pilot granulator to produce a seed / syrup weight ratio of about 1 part seed / 1 part xylitol and maltitol syrup.

[0104] The seeds are obtained by continuously recycling a portion of the resulting solidified material.

[0105] Any solid particle of crystalline xylitol can be used to provide seeds for the initial granulation.

[0106] No special temperature is required to control the granulator.

[010...

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Abstract

The invention relates to a method for producing a powder containing xylitol crystal particles and another polyol comprising a mixture containing a xylitol syrup and another polyol, whose dry material content is equal to or greater than 95 % by weight, xylitol content ranges from 85 to 97.5 % by weight and the other polyol content ranges at least from 15 to 2.5 % by weight with respects to the drymaterial, wherein the inventive method consists in obtaining said mixture by simultaneously dispersing the xylitol and the other polyol syrup and xylitol-containing germs in an open rotating vessel containing xylitol-based granules, in mixing the xylitol and the other polyol syrup and xylitol-containing germs on the surface of the xylitol-containing germs contained in the vessel, in removing the xylitol-based granules and the other polyol from the vessel and in crystallising the xylitol and other polyol contained in said granules, wherein the xylitol-based granules and the other polyol in thevessel are movable by the vessel rotation.

Description

technical field [0001] The present invention relates to a process for the continuous preparation of a powder comprising crystalline particles of xylitol and other polyols present in lower proportions. Background technique [0002] The term "other polyols" in the sense of the present invention refers to polyols, preferably selected from the group consisting of threitol, erythritol, arabitol, ribitol, sorbitol, mannitol, maltitol, maltotriitol, maltotetraose Alcohol, Lactitol, Hydrogenated Isomaltulose, Glycerin and Hydrogenated Starch Hydrolysates, alone or in combination. [0003] More preferably, the other polyhydric alcohols are selected from sorbitol, maltitol, mannitol and hydrogenated isomaltulose, used alone or in combination. [0004] The term "lower proportion" in the sense of the present invention means that the content of said other polyols in the powder comprising xylitol crystalline particles is 2.5 to 15% by weight, preferably 5 to 10% by weight, of the total a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K9/16A61K9/20A23L1/09A23L1/236A23G3/00B01J2/12A23G3/34C07C29/78C07C29/94C07C31/26C13B30/02A23L27/30C13B30/06C13B50/00
CPCY10S47/09A23G3/50A23L1/095A23V2002/00A23G3/346A61K9/2018A23G3/42C07C31/26A23L1/097C07C29/78A61K9/1623A61K9/1682A23L1/2364A23L27/34A23L29/35A23L29/37C07C31/18C07C31/225C07C31/24A23G2200/06A23V2250/6422A23V2250/64A61K9/16A61K47/36A61K31/047
Inventor 皮埃里克·迪弗洛巴蒂斯特·布瓦
Owner ROQUETTE FRERES SA
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