Method for efficiently producing monosodium glutamate

• Main Authors: WU GUOQIANG, XU QINGYANG, WANG XIAOPING, ZHAO LANKUN, SUN QINBO, LI SHUBIAO, WANG FENG, ZHAO FENGLIANG, LIU JINGYANG
• Format: Patent
• Language: Chinese; English
• Published: 27.04.2021
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; ORGANIC CHEMISTRY; PROCESSES USING MICROORGANISMS; SPIRITS; VINEGAR; WINE

The invention belongs to the technical field of fermentation and discloses a method for efficiently producing monosodium glutamate. The method comprises the following steps: 1) strain activating; 2) seed solution preparing; 3) fermenting; 4) ceramic membrane filtering; 5) ultrafiltration membrane filtering; 6) monosodium glutamate preparing; 7) depressurized concentration; 8) decoloring; 9) reverse osmosis concentrating; 9) depressurized concentration; 10) freezing crystallization; and 11) centrifuging and drying. According to the method for efficiently extracting the monosodium glutamate, provided by the invention, the production capacity and extraction efficiency of the monosodium glutamate can be increased, and the pollution can be reduced, so that the production cost is reduced, and the economic benefit is improved. 本发明属于发酵技术领域，公开了一种高效生产味精的方法，其包括如下步骤：1）菌株活化；2）制备种子液；3）发酵；4）陶瓷膜过滤；5）超滤膜过滤；6）味精制备；7）减压浓缩；8）脱色；9）反渗透过浓缩；9）减压浓缩；10）冷冻结晶；11）离心，干燥。本发明提供的一种高效提取味精的方法，能够提高味精的生产能力和提取效率，降低污染，从而降低生产成本，提高经济效益。