γ-aminobutyric acid is a four-carbon non-protein amino acid, which is widely distributed in higher plants, among which the concentration of large-leaf tea trees is relatively high. As an important component of free amino acids in plant cells, γ-aminobutyric acid participates in various metabolic activities. Nowadays, as a commodity, γ-aminobutyric acid is widely used in medicine, health care products, food and other fields. Its appearance is lobulated crystal (methanol-ether) and needle-like crystal (water-ethanol), which is easy to dissolve in water and slightly soluble in hot ethanol.
γ-aminobutyric acid can be used to produce medicine, functional food, health care products and other products, which can regulate cardiovascular system, promote sleep, lower blood pressure, relieve pain and so on. γ-aminobutyric acid is not suitable for use by pregnant women, lactation parturient women, infants and people with blood-brain barrier. The daily usage should be controlled within 500mg.