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Method for producing glutamic acid from corn immersing water in biotin-suboptimal fermentation process

A technology of corn soaking water and fermentation process, applied in the biological field, to achieve the effects of convenient implementation, significant resource benefits, and raw material substitution

Active Publication Date: 2013-08-14
LIANG SHAN LING HUA BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned literature discusses the rational utilization of corn steeping water, but the method of producing glutamic acid with corn steeping water instead of corn steep liquor has not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: the method that corn soaking water is used for biotin sub-appropriate fermentation process to produce glutamic acid, specifically comprises steps as follows:

[0028] (1) Precipitation: fresh corn soaking water is deposited in the storage tank for 24 hours;

[0029] (2) Removal of sediment: open the bottom valve of the storage tank to remove the sediment, judge the amount of discharged material liquid through the sight cup in front of the bottom valve, and discharge completely when there is no floc in the sight cup;

[0030] (3) Conveying: the corn soaking water that is removed from precipitation is transported to the storage tank of the fermentation batching post with a pump for subsequent use;

[0031] (4) Ingredients: according to the ratio, weigh various raw materials and dissolve them completely to form a fermentation medium;

[0032] The raw material ratio of the fermentation medium is as follows: starch hydrolysis sugar: 130g / L; corn soaking water:...

Embodiment 2

[0035] Embodiment 2: the method that corn steeping water is used for biotin sub-appropriate fermentation process to produce glutamic acid, specifically comprises steps as follows:

[0036] (1) Precipitation: fresh corn soaking water is deposited in the storage tank for 24 hours;

[0037] (2) Removal of sediment: open the bottom valve of the storage tank to remove the sediment, judge the amount of discharged material liquid through the sight cup in front of the bottom valve, and discharge completely when there is no floc in the sight cup;

[0038] (3) Conveying: the corn soaking water that is removed from precipitation is transported to the storage tank of the fermentation batching post with a pump for subsequent use;

[0039] (4) Ingredients: according to the ratio, weigh various raw materials and dissolve them completely to form a fermentation medium;

[0040] The raw material ratio of the fermentation medium is as follows: starch hydrolysis sugar: 150g / L; corn soaking water...

Embodiment 3

[0043] Embodiment 3: the method that corn steeping water is used for biotin sub-appropriate fermentation process to produce glutamic acid, specifically comprises steps as follows:

[0044] (1) Precipitation: fresh corn soaking water is deposited in the storage tank for 24 hours;

[0045] (2) Removal of sediment: open the bottom valve of the storage tank to remove the sediment, judge the amount of discharged material liquid through the sight cup in front of the bottom valve, and discharge completely when there is no floc in the sight cup;

[0046] (3) Conveying: the corn soaking water that is removed from precipitation is transported to the storage tank of the fermentation batching post with a pump for subsequent use;

[0047] (4) Ingredients: according to the ratio, weigh various raw materials and dissolve them completely to form a fermentation medium;

[0048] The raw material ratio of the fermentation medium is as follows: starch hydrolysis sugar: 140g / L; corn soaking water...

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Abstract

The invention discloses a method for producing glutamic acid from corn immersing water in a biotin-suboptimal fermentation process. The innovation of the method is that: a fermentation culture medium is prepared from the corn immersing water instead of corn steep liquor in the biotin-suboptimal fermentation process, so that the glutamic acid is produced by fermenting. The process is convenient tooperate and water-saving and energy-saving, is favorable for reducing the fermenting cost of the glutamic acid and is suitable to be popularized comprehensively in the production. By the method, primary water for batching can be saved, the energy consumed by the further evaporation concentration of the corn immersing water also can be saved, the problems of environmental pollution and energy consumption which are caused by producing the corn steep liquor (powder) by utilizing the corn immersing water are solved, and the acid-producing rate and saccharic acid conversion rate of the glutamic acid are improved simultaneously.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a method for producing glutamic acid by using corn soaking water instead of corn steep liquor in a biotin sub-quantity fermentation process. Background technique [0002] A large amount of soaking water will be produced in the production process of corn starch, its dry matter content accounts for about 7% to 9%, and its pH value is 3.9 to 4.1. The main components of bioavailability are glucose, various amino acids and trace elements. Biotin, riboflavin, vitamin B1, etc. necessary for life activities. The traditional method of using corn soaking water is to further evaporate and concentrate to produce corn steep liquor or spray it to produce corn steep liquor powder after concentration, which not only consumes a lot of energy, but also pollutes the environment. [0003] Corn steep liquor is an important raw material for glutamic acid biotin sub-quantity fermentation proce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P13/14
Inventor 杨玉岭岳希金张恒志满德恩郭脉海
Owner LIANG SHAN LING HUA BIOTECH CO LTD
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