Product Description
Product Introduction of Amino Acid Supplement
Theanine is a characteristic amino acid in tea, synthesised by glutamic acid and ethylamine in the roots of tea trees under the action of theanine synthase, and is an important substance in the formation of the taste of tea leaves, which is mainly fresh and sweet, and is the main component of tea leaves to produce sweetness. There are 26 amino acids (6 non-protein amino acids) identified in tea leaves, which generally account for 1% to 5% of the dry weight of tea leaves, while theanine accounts for more than 50% of the total free amino acids in tea leaves.
Tea tree amino acids refer to all 26 amino acids contained in tea leaves, of which 20 are protein-related amino acids, called protein amino acids, and 6 are not related to protein synthesis, which we call non-protein amino acids. The most important of these six is theanine, which is one of the amino acids and is also considered to be the characteristic amino acid of tea. As the characteristic non-protein amino acid with the highest content in tea, theanine is safe and non-toxic, and has a variety of biological activities such as antioxidant, immune modulation, delaying ageing, and antagonizing cell excitotoxicity due to glutamate overload. As an alkylamine, L-Theanine activates gamma-T immune cells to promote cell proliferation and cytokine secretion, enhancing the ability to fight against tumour cells and reducing the risk of infection by external microorganisms, reducing the chance of catching colds and flu.
Function of Amino Acid Supplement
1. Improvement of PMS
Juneja et al. investigated the effect of theanine on PMS by giving 24 women 200mg of theanine daily. After two months, PMS symptoms such as headache, back pain, chest pain, weakness, fatigue, lack of concentration and irritability were significantly improved. The mechanism needs to be further investigated and may be related to the sedative effect of theanine.
2. Fat Reduction
Mice fed a diet mixed with 0.028% theanine for 16 weeks showed a significant reduction in body weight compared to the control group, with a reduction in abdominal fat to 58% of the control group. There was also a 32% and 15% reduction in blood neutral fat and cholesterol levels respectively, and a 28% reduction in cholesterol in the liver. Thus the weight loss effect of tea is the result of a combination of components in tea, including theanine, which is particularly effective in reducing cholesterol in the body.
3. Anti-fatigue effect
After 30 days of oral administration of theanine, mice were subjected to a weighted swimming experiment, and the time of death was recorded; serum urea nitrogen and lactic acid were collected from mice after swimming for a certain period of time, and liver glycogen was measured. The results showed that the oral administration of different doses of theanine for 30 days significantly prolonged the time of weight-bearing swimming, reduced the consumption of liver glycogen and lowered the level of serum urea nitrogen during exercise; it significantly inhibited the increase of blood lactate in mice after exercise and promoted the elimination of blood lactate after exercise. The mechanism may be related to the fact that theanine can inhibit the secretion of s-hydroxytryptamine and promote the secretion of catecholamines (5-hydroxytryptamine has an inhibitory effect on the central nervous system, while catecholamines have an excitatory effect).
Application of Amino Acid Supplement
1. Flavouring. Mainly used in green tea, dosage not specified. Nutrient fortification.
2. Flavouring (flavouring component of green tea), dosage not specified.
3. Theanine is considered "Generally Recognised as Safe (GRAS)" in the USA and therefore the most abundant theanine health food product is available in the USA.
4. It has a calming effect when added to foods, a flavour modifying effect of L-Theanine, immune enhancement, blood pressure lowering function, brain stimulation for learning and memory, effective liver detoxification and antihypertensive effect.
Side effects of Amino Acid Supplement
1. Not for use in pregnant and breastfeeding women as safety is still unknown.
2. Should not be used with blood pressure medication as theanine can lower blood pressure and can cause hypotension.
3. Not to be used with stimulant medication as theanine can moderate the nervous system and may reduce the effectiveness of stimulant medication.
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