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Refining method for polyglycerin and polyglycerin fatty acid ester

A technology for polymerizing glycerol and fatty acid ester, applied in the field of food additives, can solve the problems of difficult to guarantee food safety, high content of unreacted glycerin, irritating odor, etc., to meet food safety requirements, improve food safety, and have no The effect of pungent odors

Active Publication Date: 2014-01-29
河南正通食品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In China, this industrialized product is mainly dehydrated and condensed at high temperature to prepare polyglycerol. Due to its high reaction temperature, the distribution of polymerization degree is wide, and a large number of by-products such as aldehydes and ketones are produced. Due to the high content of glycerin, the product quality is not easy to control, especially when some high polymers are used in food, they will cause harm to human health, and the food safety of the product is difficult to guarantee

Method used

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  • Refining method for polyglycerin and polyglycerin fatty acid ester

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Put 1000Kg of measured glycerin into the reaction kettle, add basic catalyst (potassium hydroxide), heat to 250-265°C, react under nitrogen protection for 16-18 hours, measure the hydroxyl value to control the reaction end point. Then cool down to 120-130°C under vacuum, let about 870Kg of the material enter the first wiped film evaporator, evaporate about 50Kg of unreacted glycerin (light phase 1) at 140-150°C, and then make about 820Kg of the heavy phase material into short-path distillation At 200-230°C, 40-45pa distill out two to four polyglycerols about 700Kg (light phase two), and the heavy phase material enters the second short-path distiller at 240-250°C, 0-5pa to further distill four To about 100Kg of hexapolyglycerol (light phase 3), collect light phase 2 and light phase 3 and mix, measure a total of 800Kg of mixed polyglycerol and put it into the esterification reactor again, and at the same time, measure 1400Kg of stearic acid, and then add the catalyst (Sod...

Embodiment 2

[0023] Put the measured glycerol 1000Kg into the reaction kettle, add the basic catalyst (potassium hydroxide), heat to 240-250°C, react under the protection of nitrogen for 18-20 hours, measure the hydroxyl value to control the reaction end point. Then cool down to 110-120°C under vacuum, let about 870Kg of the material enter the first wiped film evaporator, evaporate about 50Kg of unreacted glycerin (light phase 1) at 130-140°C, and then put about 820Kg of the heavy phase into short-path distillation Distiller at 220-230°C, 20-40pa to distill about 700Kg of two to four polyglycerols (light phase two), and the heavy phase material enters the second short-path distiller at 245-250°C, 3-5pa to further distill four To about 100Kg of hexapolyglycerol (light phase 3), collect light phase 2 and light phase 3 and mix, measure a total of 800Kg of the mixed polyglycerol and put it into the esterification reactor again, and at the same time, measure 1450Kg of phosphoric acid and ricinol...

Embodiment 3

[0025] Put 1000Kg of measured glycerin into the reaction kettle, add basic catalyst (sodium hydroxide), heat to 250-265°C, react under nitrogen protection for 16-18 hours, measure the hydroxyl value to control the reaction end point. Then cool down to 120-130°C under vacuum and put about 870Kg of the material into the first wiped film evaporator, evaporate about 50Kg of unreacted glycerin (light phase 1) at 130-140°C, and then put about 820Kg of the heavy phase into short-path distillation At 180-220°C, 40-50pa distill out two to four polyglycerols about 700Kg (light phase two), and the heavy phase material enters the second short-path distiller at 200-240°C, 0-5pa to further distill four To about 100Kg of hexaglycerol (light phase 3), collect light phase 2 and light phase 3 and mix, measure 800Kg of polyglycerin mixed and put it into the esterification reactor again, simultaneously measure 1000Kg of lauric acid, and then add catalyst ( Sodium hydroxide) at 160-180 ° C, carry ...

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Abstract

The invention discloses a refining method for polyglycerin and polyglycerin fatty acid ester and belongs to the field of food additives. The polyglycerin is subjected to multi-time refining distillation for removing moisture and harmful substances such as aldehyde, ketone, high polymers and the like, and then, the polyglycerin takes esterification reaction with the fatty acid to obtain polyglycerol fatty acid ester. The polyglycerin and the polyglycerin fatty acid ester after the refining distillation have good color, narrow polymerization degree distribution and no pungent smell, and also have good functionality, the food safety is improved, and the standard requirements of the food additives are met.

Description

technical field [0001] The present invention relates to an additive and auxiliary agent used in food, daily chemical, plastic and other industries, especially a food additive in beverage, ice cream, cream, baking and other products in the food industry - the refining of polymerized glycerin and its fatty acid ester The method belongs to the field of food additives. Background technique [0002] Polyglycerol and its fatty acid esters are a new type, safe, efficient, and multifunctional polyhydroxy nonionic surfactant and emulsifier. Because its structure contains multiple hydroxyl groups, it can , can be made into products with different emulsifying properties. In China, this industrialized product is mainly dehydrated and condensed at high temperature to prepare polyglycerol. Due to its high reaction temperature, the distribution of polymerization degree is wide, and a large number of by-products such as aldehydes and ketones are produced. Due to the high content of glycer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/035A23L1/03A23L29/10A23L29/00
Inventor 楚喆王青楚军政阮丽红
Owner 河南正通食品科技有限公司
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