L-Theanine 是一种存在于绿茶叶片中的非蛋白氨基酸物质，能阻断大脑中谷氨酸与谷氨酸受体结合，具有神经保护和抗氧化活性。 它通过口服能抑制皮层神经元兴奋从而产生抗应激作用。

L-Theanine is a relaxing and nondietary amino acid found pretty much exclusively in teas from Camellia sinensis and is known to promote relaxation without sedation.

3081-61-6

C7H14N2O3

174.2

L-茶氨酸;左旋茶氨酸

H2O:10 mM
DMSO:Insoluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years