Lysine Amino Acid Benefits

amino acids lysine

Lysine is the amino acid with the basic side chain. It is an essential amino acid as it is not manufactured in our body so it needs to be supplied from the diet to our body. It was first obtained from casein in 1889. It has AAA and AAG codons. It is strong base with positive charge and is ketogenic.

Sources

It is present in wide variety of foods.

Animal Source:  The animal sources of lysine are chicken, beef, milk, catfish, eggs, cheese etc.

Plant sources: Some of the plant sources are pulses, chickpea, kidney beans, yeasts, lentils, soybeans, potatoes, navy beans etc.

Synthesis

Lysine is not synthesized in our body. In plants it is synthesized from asparate with the help of different enzymes. These are aspartokinase, Diaminopimelate epimerase, succinyl diaminopimelate aminotransferases, diaminopimelate decarboxulase, succinyl diaminopimelate desuccinylase etc.

Physiological Functions

Being ketogenic it gives rise to acetyl CoA which is important constituent of citric acid cycle. It also produces hydrolysine by post-translational modification. Hydrolysine is an important part of collage and provides stability for collagen crosslinks.

Lysine via its effects on serotonin receptors present in the gastrointestinal tract has an anxiolytic action. These serotonin receptors lead to anxiety induced disorders due to their hyper stimulation in the intestinal tract but lysine acts to reduce their stimulatory effect. It has also been found essential in the growth and development of bones especially in the children.

It is also utilized in our body for producing antibodies, enzymes, hormones and collagen. It also plays role in wound heeling and repair. It maintains the nitrogen balance in the body. It increases the muscle mass and is therefore good food for those who are recovering from some injuries or from any surgery. It maintains the health of blood vessels.

Lysine has been found a wonderful weapon in combating infections as well as in reducing their outbreaks. It is found to be good for simplex herpes viral infection and for cold sores as it helps in healing the infections early and quickly. It also reduces the absorption of arginine amino acid since arginine is thought to be utilized by herpes virus for its replication. Lysine supplements are also in use for this reason as they are thought to prevent the eruptions of shingles which is causes by varcella zoster virus when the body’s immunity is low.

If people are not taking proper diet or diet less of lysine , there are possibilities that they can face such problems as hair loss, inability to concentrate well, bloodshot eyes, growth retardation, problems in reproductive systems, irritability, weight loss and all the time feeling of fatigue and lethargy.

One of the important physiological roles of this amino acid is that it increases the calcium absorption and decreases its excretion through urine. So by this thing it’s indirectly increases strength of bones and prevents them from bone fractures.

Lysine is also used in number of animals feed. Lysine supplements are available in the form of capsules, tablets, liquid, and creams. These should be taken in care especially in people who are suffering from any liver and kidney diseases.

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