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Fermentation method and device for preparing monosodium glutamate from sweet potatoes

A fermentation method, sweet potato technology, applied in sterilization methods, specific-purpose bioreactors/fermenters, microorganism-based methods, etc., can solve problems such as low efficiency and poor effect

Pending Publication Date: 2020-10-23
刘建阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the technical problems of low efficiency and poor effect in the fermentation method of monosodium glutamate in the prior art, and provide a fermentation method and device for preparing monosodium glutamate from sweet potatoes to solve the deficiencies of the prior art

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  • Fermentation method and device for preparing monosodium glutamate from sweet potatoes
  • Fermentation method and device for preparing monosodium glutamate from sweet potatoes
  • Fermentation method and device for preparing monosodium glutamate from sweet potatoes

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Embodiment 1

[0029] Embodiment 1, according to figure 1 , a kind of fermentation method utilizing sweet potato to prepare monosodium glutamate, it comprises the steps:

[0030] Step 1) preparation of fermentation medium, step 2) fermentation culture, step 3) filtration and concentration, step 4) crystallization, and step 5) preparation of monosodium glutamate.

[0031] Specifically, step 1) preparing a fermentation medium, which includes fermentation medium A, fermentation medium B and fermentation medium C used separately;

[0032] The fermentation medium A includes (by mass ratio): sweet potato glucose 15%, sweet potato galactose 2.5%, urea 0.2%, ferrous sulfate 0.02%, magnesium sulfate 0.01%, potassium sulfate 0.02%, polyether modified silicone oil 0.02% %, potassium dihydrogen phosphate 0.15%, ammonium dihydrogen phosphate 0.05% and biotin 0.05%, sodium bicarbonate 0.5%, and the rest is water;

[0033] Fermentation medium B includes (by mass ratio): urea 11.5%, phenylalanine 0.5% and...

Embodiment 2

[0039] Embodiment 2, a kind of fermentation method utilizing sweet potato to prepare monosodium glutamate, comprises:

[0040]Step 1) preparing a fermentation medium, which includes fermentation medium A, fermentation medium B and fermentation medium C used separately;

[0041] The fermentation medium A includes (by mass ratio): 12% sweet potato glucose, 5% sweet potato galactose, 0.2% urea, 0.02% ferrous sulfate, 0.01% magnesium sulfate, 0.02% potassium sulfate, 0.02% glycerol, diphosphate Potassium hydrogen 0.15%, ammonium dihydrogen phosphate 0.05% and biotin 0.05%, sodium carbonate 0.5%, the rest is water;

[0042] Fermentation medium B includes (by mass ratio): 30% ammonia water, 0.5% phenylalanine and 0.2% defoamer;

[0043] Fermentation medium C includes (by mass ratio): 20% sweet potato glucose, 8% sweet potato galactose, 0.15% biotin, and 1.5% sodium bicarbonate.

[0044] Step 2) Fermentation culture, sterilize the fermentation medium A, put it in a fermenter, adjus...

Embodiment 3

[0049] Embodiment 3, according to Figure 1-Figure 3 , a fermentation device utilizing sweet potato to prepare monosodium glutamate comprises fermentation equipment, filtering equipment and crystallization equipment, wherein the fermentation equipment comprises a fermenter 1; a stirring shaft 7 and an upper stirring blade 8 are arranged in the fermenter, and in the side wall of the fermenter An interlayer 10 with a circulating medium is provided; the top is connected to the stirring tank I2 and the stirring tank II3 respectively through pipelines; the bottom of the fermenter is a conical bottom 12, and an aeration tank close to or fitted to the conical bottom is provided. Pipe 13; vertical strips 9 are arranged on the inner side wall of the fermenter.

[0050] The stirring tank I and the stirring tank II are provided with a stirring device and a temperature control device; the pipelines of the stirring tank I and the stirring tank II are provided with a solenoid valve 4, and a...

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Abstract

The invention discloses a fermentation method and device for preparing monosodium glutamate from sweet potatoes. The method comprises the following steps: (1) preparation of a fermentation culture medium; (2) fermentation culture; (3) filtering and concentrating; (4) crystallizing; and (5) preparation of the monosodium glutamate. The device is reasonable in structure and high in conversion efficiency and purity, the fermentation structure and the aeration structure are optimized, and the technical problems in the prior art are effectively solved.

Description

technical field [0001] The invention belongs to the technical field of biological fermentation and equipment, and in particular relates to a fermentation method and device for preparing monosodium glutamate from sweet potatoes. Background technique [0002] Monosodium glutamate is a kind of seasoning. Its main function is to increase the umami taste of food. It is most used in Chinese cuisine and can also be used in soups and sauces. Its main component is sodium glutamate. [0003] Monosodium glutamate refers to the crystallization of monosodium glutamate purified by fermentation with grain as raw material. Since 1965, glutamic acid has been produced by sugar or starch raw materials in my country, and glutamic acid is extracted by isoelectric point crystallization precipitation, ion exchange or zinc salt method, and then decolorized, deironized, evaporated, and crystallized. And other processes to make sodium glutamate crystals. [0004] Application publication number: CN10...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P13/14C12M1/04C12M1/02C12M1/00A23L27/22C07C227/42C07C229/24C12R1/15
CPCC12P13/14C12M27/02C12M29/06C12M37/04C12M41/22C12M47/10A23L27/22C07C227/42C07C229/24
Inventor 来凤堂李树标郑世涛薄文文高翠娟王婷
Owner 刘建阳
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