味精是一种常用的烹饪调味品,做菜时放入少许味精,不仅可以调味,而且可以增强大脑机能。这是由于味精所含的谷氨酸钠,在消化过程中能分解出谷氨酸。后者在脑组织中在以维生素B_6为辅酶的谷氨酸脱羧酶的催化下可以变成δ-氨基丁酸。它是一种抑制性神经递质,它生成不足,容易引起中枢神经系统的过度兴奋,如出现狂躁或者抽搐。因此,适量吃些味精,对于维持神经系统的功能是有益的。 MSG is a commonly used cooking seasoning, cooking a small amount of MSG, not only seasoning, but also enhance the brain function. This is due to the sodium glutamate contained in MSG, which breaks down glutamate during digestion. The latter can be converted to δ-aminobutyric acid in brain tissue catalyzed by glutamate decarboxylase with vitamin B_6 as a coenzyme. It is an inhibitory neurotransmitter, it generates insufficient, easily lead to over-excitement of the central nervous system, such as manic or convulsions. Therefore, the amount of eating MSG, to maintain the function of the nervous system is beneficial.