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Method for high-yield production of extracellular monascus red pigment by monascus purpureus fermentation

A technology of Monascus purple and Monascus red pigment, which is applied in the field of high-yield extracellular Monascus red pigment, can solve the problems that food safety has not yet been verified by authoritative departments, and does not meet the requirements, so as to reduce production costs and environmental protection treatment costs , increase production, the effect of major economic benefits

Pending Publication Date: 2022-02-18
GUANGDONG TIANYI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above technology can improve the secretion level of extracellular pigments of Monascus, the surfactants used are not food additives and do not meet the GB2760-2014 national standard, and the food safety of extracting pigments from the fermentation broth containing surfactants, Recycling technology costs and other aspects still need in-depth exploration and research, and its food safety has not yet been verified by authoritative departments

Method used

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  • Method for high-yield production of extracellular monascus red pigment by monascus purpureus fermentation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Same as control group 1, the difference is that 1 mg / L natamycin was added to the liquid fermentation medium at the beginning of fermentation.

Embodiment 2

[0037] Same as Example 1, the difference is that natamycin is replaced by ε-polylysine and added.

Embodiment 3

[0039] Same as Example 1, the difference is that the amount of natamycin added to the liquid fermentation medium is 3 mg / L.

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Abstract

The invention discloses a method for high-yield production of extracellular monascus red pigment by monascus purpureus fermentation, which is characterized in that a fungus inhibitor is specifically added in a monascus purpureus liquid fermentation process, so that the biosynthesis capability of monascus purpureus liquid fermentation monascus red pigment is greatly improved, and the monascus purpureus is promoted to secrete a large amount of extracellular monascus red pigment. The method is simple, extra labor and equipment are not added, the extracellular water-soluble monascus red pigment can be directly produced at high yield, the production cost of the monascus red pigment is reduced, and the method has great economic benefits and is suitable for industrial large-scale production.

Description

technical field [0001] The invention belongs to the technical field of microbial fermentation, and in particular relates to a method for fermenting high-yield extracellular monascus red pigment by using Monascus purple. Background technique [0002] Monascus pigment is a natural pigment produced by the medicinal and edible microorganism Monascus spp., and its application has a long history. As a food additive, monascus pigment is widely used in the field of food processing; because of its wide range of biological activities such as anti-oxidation, anti-mutation, antibacterial, hypolipidemic and other functions, it is increasingly used in the development of health care products and the application of medicine Pay attention to. Monascus pigment is a mixed pigment mainly composed of red pigment, yellow pigment and orange pigment. Regarding the biosynthesis of monascus pigment, it is generally believed that the possible process is: polyketide synthase first catalyzes acetyl Co...

Claims

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Application Information

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IPC IPC(8): C12P1/02C12N1/14C12N1/38C12R1/645
CPCC12P1/02C12N1/14C12N1/38
Inventor 胡文林许世锦陈玲娟陈罗华周谢凤娇
Owner GUANGDONG TIANYI BIOTECH CO LTD
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