Method for removing sticky components in neotame

A neotame and viscous technology, which is applied in the field of removing viscous components in neotame, can solve the problems of restricting the industrialization development of neotame, affecting product storage and usability, and prone to sticky lumps, so as to reduce the content of viscous substances, Easy to achieve, extended shelf life effect

Pending Publication Date: 2019-12-13
SHANDONG BENYUE BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, during the storage of neotame products, it is a common phenomenon that neotame products are prone to caking, which seriously affects the storage and usability of the products, and limits the further industrial development of neotame.

Method used

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  • Method for removing sticky components in neotame
  • Method for removing sticky components in neotame
  • Method for removing sticky components in neotame

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Dissolve 500 grams of neotame in a system consisting of 2000 grams of purified water and 250 grams of methanol, and heat up to 50°C to dissolve it.

[0028] (2) Add sodium hydroxide, stir at 70°C for 1.5h, and control the pH of the solution to 10.

[0029] (3) Add hydrochloric acid to adjust the pH of the solution to 7.0 for neutralization.

[0030] (4) Static crystallization, the crystallization temperature is 40 ° C, the crystallization time is 12 hours, centrifuged, the centrifuge speed is 1200 rpm, and GB 29944-2013 is used for detection. The high performance liquid chromatogram is attached figure 1 As shown, the obtained neotame viscous substance content is 0, which is lower than the traditional content of 0.1%. After 2 months of observation, there is no obvious agglomeration, and the sensory index is good.

Embodiment 2

[0032] (1) Dissolve 500 grams of neotame in a system consisting of 2000 grams of purified water and 250 grams of methanol, and heat up to 80°C to dissolve it.

[0033] (2) Add sodium bicarbonate, stir at 95° C. for 1.0 h, and control the pH of the solution to 9.5.

[0034] (3) adding hydrochloric acid to adjust the pH of the solution to be 8 for neutralization.

[0035] (4) Static crystallization, the crystallization temperature is 20 ° C, the crystallization time is 24 hours, centrifuged, the centrifuge speed is 1100 rpm, and GB 29944-2013 is used for detection. The high performance liquid chromatogram is as attached figure 2 As shown, the obtained neotame viscous substance content is 0, which is lower than the traditional content of 0.1%. After 2 months of observation, there is no obvious agglomeration, and the sensory index is good.

Embodiment 3

[0037] (1) Dissolve 500 grams of neotame in a system consisting of 2000 grams of purified water and 250 grams of methanol, and dissolve it at 20°C.

[0038] (2) Add sodium carbonate, stir at 35°C for 3h, and control the pH of the solution to 9.

[0039] (3) Add hydrochloric acid to adjust the pH of the solution to 7.0 for neutralization.

[0040] (4) Static crystallization, the crystallization temperature is 0 ° C, the crystallization time is 36 hours, centrifuged, the centrifuge speed is 1200 rpm, and GB 29944-2013 is used for detection. The high performance liquid chromatogram is attached image 3 As shown, the obtained neotame viscous substance content is 0, which is lower than the traditional content of 0.1%. After 2 months of observation, there is no obvious agglomeration, and the sensory index is good.

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Abstract

The invention belongs to the technical field of neotame products, and particularly relates to a method for removing sticky components in neotame. The method comprises the following steps of enabling the neotame to dissolve in a pure water and methanol system, and performing heating so that the neotame dissolves; adding inorganic alkali, performing stirring, and controlling pH of a solution to be 9-10; then adding inorganic acid, regulating the pH of the solution to be 6.0-8.0, and performing neutralization; and performing standing for crystallization, and performing centrifugal separation so as to obtain neotame without sticky components. The method for removing sticky components in neotame disclosed by the invention is reasonable in technology, simple in steps and easy to realize; and thecontent of sticky substances in the neotame obtained through treatment and centrifuging is obviously reduced and is 0.1% lower than traditional content, so that the quality guarantee period of the neotame products can be obviously prolonged.

Description

technical field [0001] The invention belongs to the technical field of neotame products, and in particular relates to a method for removing viscous components in neotame. Background technique [0002] Neotame (N-[N-(3,3-dimethylbutyl)-L-α-aspartic acid]-L-phenylalanine-1--methyl ester) in the sweetener is derived from The high-intensity sweetener developed by Nutraswaite Company of the United States has the advantages of high sweetness, low calorie, and high stability. With the deepening of application, the potential of neotame as an excellent sweetener is gradually being discovered. [0003] However, during the storage of neotame products, it is a common phenomenon that neotame products are prone to caking, which seriously affects the storage and usability of the products, and limits the further industrial development of neotame. Contents of the invention [0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art...

Claims

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Application Information

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IPC IPC(8): C07K5/075C07K1/30
CPCC07K5/0613
Inventor 王振东陈良
Owner SHANDONG BENYUE BIOTECH
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