Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Enzyme catalysis method for continuous synthesis of lauroyl maltose under organic phase

A technology of lauric acid ester and maltose, applied in the field of food biochemical industry, can solve the problems of batch production not suitable for large-scale industrial production, complicated separation work, slow reaction rate, etc., and achieves mild conditions, simple separation and purification, and increased yield Effect

Inactive Publication Date: 2007-07-11
JIANGNAN UNIV
View PDF0 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently commercially available sugar ester products are basically chemically synthesized. The reaction is carried out under high temperature and high pressure, and the product is a complex mixture. To obtain a high-purity product, complicated separation work is required, and the product often has a darker color.
And adopt batch reactor enzymatic synthesis, the solubility of substrate maltose in reaction system acetone is only 0.59mmol / L, the reaction rate is relatively slow, and need to add molecular sieve as dehydrating agent in the reaction, and because the product accumulates in the reactor thus Inhibit the progress of the reaction
Therefore, batch production is not suitable for large-scale industrial production

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Enzyme catalysis method for continuous synthesis of lauroyl maltose under organic phase

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] At the beginning of the reaction, the concentration of maltose was 25mmol / L (2.125g), 250ml of 100mmol / L acetone laurate solution, 20g / L lipase, and 8g / L maltose was added to the reactor every day after the reaction, 100mmol / L. L lauric acid acetone solution enters the reactor at a flow rate of 0.36 ml / min, and reacts for 10 days. The yield and the amount of product obtained after separation and purification are shown in Table 1.

[0036] Table 1

[0037] Days

Embodiment 2

[0039]At the beginning of the reaction, the concentration of maltose was 50mmol / L (4.275g), 250ml of 200mmol / L lauric acid acetone solution, 40g / L lipase, and 12g / L maltose and 200mmol / L lauric acid were added every day in the reaction. The acetone solution enters the reactor at a flow rate of 0.2ml / min and reacts for 10 days. The yield and the amount of product obtained after separation and purification are shown in Table 2.

[0040] Table 2

[0041] Days

Embodiment 3

[0043] At the beginning of the reaction, the concentration of maltose was 100mmol / L, 250ml of 300mmol / L lauric acid acetone solution, and 60g / L lipase were added to the reactor. After that, 16g / L maltose was added every day in the reaction, and 300mmol / L lauric acid acetone solution was 0.15 The flow rate of ml / min enters the reactor and reacts for 10 days. The yield and the product volume obtained after separation and purification are shown in Table 3.

[0044] table 3

[0045] Days

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a continuous synthesizing method of maltose laurate in the organic phase, which is characterized by the following: using stirring tank typed enzyme reactor to synthesize maltose laurate; affirming optimum manufacturing condition; maintaining the reactor production at 10g / (L .d) for 8-10d; obtaining the purity of product to 95%.

Description

Technical field [0001] The invention relates to a method for continuously synthesizing nonionic surfactant maltose laurate in an organic phase catalyzed by a lipase, and belongs to the technical field of food biochemical industry. Background technique [0002] Maltose fatty acid esters are edible surfactants with special properties formed by the condensation of maltose and fatty acids. Since maltose fatty acid esters have good emulsifying, thickening and puffing properties, they can be widely used in the food industry, cosmetics industry and washing industry. In recent years, some foreign researchers have gradually increased the research on the enzymatic synthesis of maltose fatty acid esters and their application in food. [0003] In my country, there is no report on the enzymatic synthesis of maltose fatty acid esters in the organic phase, but there are some reports on the enzymatic synthesis of other sugar esters. Zhang Nianxiang et al. reported in 1996 that lipase catalyzed t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C12P19/00
Inventor 冯骉张晓鸣贾承胜高旭刘巧瑜张文斌
Owner JIANGNAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com