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Sweetening agent and preparation method thereof

A technology of sweetener and trehalose, which is applied in the field of food additive sweeteners, can solve the problems of large dosage and increased cost of food processing links, and achieve the effect of increasing sweetness and reducing the amount of addition

Active Publication Date: 2020-04-28
中山市南方新元食品生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sweetness of trehalose is about 45% of that of granulated sugar. In practice, it faces the challenge of using too much and increasing the cost of food processing.

Method used

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  • Sweetening agent and preparation method thereof
  • Sweetening agent and preparation method thereof
  • Sweetening agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A sweetener proposed by the present invention adopts glucobiose whose natural trehalose structure is α, α, 1, 1-docking; the 2-hydroxyl of the two glucose residues of natural trehalose is replaced by a chlorine atom, and the configuration Simultaneously flip to S-configuration; the 6-hydroxyl on one of the two glucose residues is replaced by a chlorine atom;

[0043] Its chemical structural formula is:

[0044]

[0045] In the present invention, the sweetness test of the sweetener is superior to granulated sugar and trehalose, which are respectively 75 times that of granulated sugar and 167 times that of trehalose. The sweetener has the advantages of improving sweetness, reducing the amount of added sugar in food, and not promoting obesity. , can be widely used as sweet additives in food and beverages, etc., healthy and safe to eat.

Embodiment 2

[0047] The present invention also proposes a preparation method about the above-mentioned sweetener, the preparation method comprising the following steps:

[0048] S1: Using glucobiose with a natural trehalose structure of α, α, 1, 1-docking as a raw material, using a large trityl group to selectively protect the primary hydroxyl groups of two glucose molecules;

[0049] S2: Using the α-glycosidic bond between two glucose molecules to achieve selective silicon etherification of the 2-position;

[0050] S3: Use alkylated solid acid to quantitatively and selectively remove the trityl group on a glucose unit, filter and realize product separation;

[0051] S4: Using thionyl chloride as the chlorination agent, the acid-sensitive groups Tr and TBS are directly chlorinated.

[0052] In an optional embodiment, in S1, the following steps are included:

[0053] S11: Dissolve the natural trehalose structure of α,α,1,1-docked glucobiose in anhydrous dimethylformamide DMF, add 30 equiv...

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Abstract

The invention discloses a sweetening agent and a preparation method thereof. The method adopts natural trehalose which is glucose disaccharide with a structure of alpha, alpha, 1, 1-butt joint; 2-hydroxyl group of two glucose residues of the natural trehalose is substituted by chlorine atoms, and a configuration is turned into an S-configuration at the same time; the 6-hydroxy group on one of thetwo glucose residues is substituted by chlorine atoms. In the invention, a sweetness test shows that the sweetening agent is superior to granulated sugar and trehalose. The sweetening agent has the advantaged of improving sweetness, reducing food sugar addition and avoiding no obesity promotion, can be widely applied to sweetness additives of foods, beverages, and is healthy to eat and safe to eat. The invention provides a feasible preparation process, and by introducing a triphenylmethyl protecting group which is easy to crystallize, the product purification can be completed through a recrystallization technology in the whole process of the preparation process.

Description

technical field [0001] The invention relates to the field of food additive sweeteners, in particular to a sweetener and a preparation method thereof. Background technique [0002] Trehalose is a safe natural sugar compound, which is commonly found in daily food products such as mushrooms, seaweeds, beans, and certain seafood. In terms of chemical structure, trehalose is formed by the docking of two molecules of glucose through 1,1-glucosidic bonds. There are four possible compound structures in theory, but trehalose, which is often said in the traditional sense, is usually a white crystal, which is two glucose molecules. Alfa, alfa-glycosidic bond 1, 1 link to form a non-reducing disaccharide, its own property is very stable, can form a unique protective film on the cell surface under harsh environmental conditions such as high temperature, high cold, high osmotic pressure and dehydration , effectively protect protein molecules from denaturation and inactivation, and many s...

Claims

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Application Information

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IPC IPC(8): C07H5/02C07H1/00A23L27/30
CPCA23L27/37C07H1/00C07H5/02Y02P20/55
Inventor 刘高峰田天娥
Owner 中山市南方新元食品生物工程有限公司
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