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Production technology of edible-grade glycerin

A production process and food-grade technology, which is applied to the production technology field of edible-grade glycerin, can solve the problems of glycerin quality influence, the quality of finished products is not stable, and achieve the effects of low moisture content, short production cycle, consumption and cost reduction.

Inactive Publication Date: 2017-07-07
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the domestic production of edible glycerin generally adopts industrial product purification or saponification method and starch fermentation method to produce glycerin. This method has the characteristics of simple production process, high production efficiency and low cost. At the same time, there is always some glucose that is not decomposed by fermentation or not completely decomposed and exists in the fermentation broth in the form of oligosaccharides, polysaccharides, etc. These substances have a serious impact on the quality of glycerin, and the quality of the finished product is not easy to stabilize.

Method used

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Experimental program
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Embodiment Construction

[0017] A kind of edible grade glycerin production technology of the present invention is described further below in conjunction with embodiment:

[0018] A production process of food-grade glycerin, which includes transporting crude glycerin as a raw material from a treated storage tank to a glycerin preheating tank, heating, and after 1-2 times of ion exchange and evaporation, a part of the decomposed product is transformed into a gas The form is volatilized, and then the glycerin in the cooling receiver is collected, the valve of the storage tank feed pipeline is opened, and the finished product collected during production is fed into the stainless steel storage tank of the purification workshop to obtain food-grade glycerin.

[0019] Further, the temperature of the glycerin preheating tank is 55-70°C.

[0020] Further, when performing ion exchange, the resin model: cationic adsorption resin: 001×7 (732) styrene + divinylbenzene copolymer obtained by sulfonation reaction; an...

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Abstract

The invention relates to the field of food additives, in particular to a production technology of edible-grade glycerin. The glycerin produced through high-temperature treatment and ion exchange by adopting an evaporation method can effectively remove polysaccharide and fatty acid in glycerin fermentation liquor, the purity of the glycerin product is improved, and the production requirements of the edible glycerin are meet. According to the method, the processes of dilution, decoloration, suction filtration and the like in a traditional technology are omitted, therefore, equipment is simplified, operation is convenient, the quality is stable, the production cycle is shortened, the consumption and the cost are both significantly reduced, the production efficiency is high, and the production technology is suitable for large-scale production and can be widely applied to the edible glycerin production field.

Description

technical field [0001] The invention relates to the field of food additives, in particular to a production process of edible-grade glycerin. Background technique [0002] Glycerin, scientific name glycerol, is an important basic light chemical raw material with a wide range of uses. Because of the difference in purity and impurity content, it can also be divided into edible glycerin and industrial glycerin. Glycerol is the backbone component of the triglyceride molecule. When the human body ingests dietary fat, the triglycerides in it are metabolized in the body to form glycerol and store it in fat cells. Thus, the end products of triglyceride metabolism are glycerol and fatty acids. [0003] The complete oxidation of each gram of glycerol can produce 4 kilocalories of heat, which will not change the blood sugar and insulin levels after being absorbed by the body. Glycerin is a sweetener and humectant commonly used in the food processing industry, mostly found in sports ...

Claims

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Application Information

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IPC IPC(8): C07C29/76C07C31/22
CPCC07C29/76C07C31/225
Inventor 龚静
Owner GUANGXI UNIV
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