Product Name: L-Theanine

Other name: N-Ethyl-L-glutamine ; L-Glutamic acid gamma-(ethylamide)

CAS No.: 3081-61-6

Chemical formula: C7H14N2O3

Molecular Weight: 174.2

Usage

Theanine is the amino acid with the highest content in tea, accounting for more than 50% of the total free amino acid and 1%-2% of the dry weight of tea. Theanine is a white spiculate, soluble in water. With sweet and fresh taste, tea is the flavor of the components. The Japanese often use shading method to improve the content of theanine in tea, in order to enhance the fresh taste of tea.

(1) Absorption and metabolism.After oral administration of theanine into the human body, it is absorbed through the intestinal brush margin mucosa, enters the blood, dispersing to tissues and organs through the blood circulation, and some of it is excreted from the urine after the kidney is decomposed. The concentration of theanine absorbed into blood and liver decreases after 1 hour, and theanine in brain reaches its peak after 5 hours. After 24 hours, theanine in human body disappears and is excreted in the form of urine.

(2) Regulating the changes of neurotransmitters in the brain.Theanine affects the metabolism and release of neurotransmitters such as dopamine in the brain, and it may be possible to regulate or prevent brain diseases controlled by these neurotransmitters.

(3) Improve learning ability and memory.Theanine has the effect of improving memory and learning ability in mice.(4) Sedative effect.Caffeine is known as a stimulant, but people feel relaxed, calm and comfortable when drinking tea. It has been proved that this is mainly due to theanine.

(5) to improve menstrual syndrome.Most women have menstrual syndrome. Menstrual syndrome (MS) is a mental and physical condition that occurs three to 10 days before menstruation in women between the ages of 25 and 45. Mentally, the main performance is easy to be irritable, angry, depressed, restless, mental concentration, etc., in the body, the main performance is easy to fatigue, not easy to sleep, headache, chest pain, lower abdominal pain, waist acid, hands and feet chills.The sedative effect of theanine has been suggested for its ameliorative effect on menstrual syndrome, and clinical trials in women have demonstrated this effect.