Why plant enrichment method was used to obtain γ-aminobutyric acid?

γ-aminobutyric acid is a widely used amino acid, that can be used in the production of coffee, tea, candy, baked goods, puffed food, chocolate, cocoa products, and other food, although γ-aminobutyric acid food safety is high, in infant food, meat products, and other products can not be used. When we use γ-aminobutyric acid, we should strictly control the amount of gamma-aminobutyric acid, generally within 500 mg/d.

γ-aminobutyric acid can be obtained by plant enrichment method, chemical synthesis method, microbial fermentation method, and other methods, there are many ways to prepare, but different methods also have advantages and disadvantages, such as plant enrichment method, the method of low production cost, high purity; The raw materials used in chemical synthesis are easy to obtain, but the reaction is not easy to control and the production cost is high. The microbial fermentation method has high requirements on environment and equipment, and there are safety risks in the preparation process, so it is difficult to achieve large-scale production.

In the above several preparation methods, the plant enrichment method is undoubtedly a more suitable method for the preparation of γ-aminobutyric acid, then, let’s see how this is a kind of preparation method, plant enrichment method can be divided into column separation preparation method and solvent extraction method, among them, column separation preparation method, also known as column chromatography, Is the use of different mixture components in the solid-liquid two-phase of different distribution coefficients for elution, separation and other treatment, commonly used resin, activated carbon or silica gel as a column filling material, and solvent extraction method used in the extraction agent is mainly water or alcohol, through the plant in water or alcohol to produce different solubility and distribution coefficient to extract γ-aminobutyric acid. After repeated filtration and purification, most of the γ-aminobutyric acid in plants can be extracted.

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