What is lysine?
Nowadays, lysine is widely used in medicines and nutrition for athletes - but what exactly is the substance and how does it affect the human body?
What is the biochemistry of lysine like?
- Lysine is a proteinogenic amino acid. This means that it is used in the human organism to build up the body's own protein molecules, for example collagen. In general, all proteins in the body can be formed from the 22 different proteinogenic amino acids. There are also about 250 non-proteinogenic amino acids.
- Lysine is one of the basic amino acids, which means that it has a basic residue and is almost completely protonated in the pH-neutral range. Its isoelectric point, at which the same number of protonated and deprotonated molecules are present or the molecule is a zwitterion, has pH = 9.82.
Function of the amino acid
- Lysine is also one of the essential amino acids. The body cannot make them by itself to make all of its own proteins. Lysine must therefore be taken in with food, such as B. also vitamins. The daily requirement is approx. 8-45 mg per kilogram of body weight. Like all amino acids, lysine is mainly found in animal products - meat, eggs, milk and legumes in particular are rich in the amino acid. Industrial recycled lysine is obtained through fermentation.
- In the body, lysine is an important component in the synthesis of collagen and thus determines the strength of the Connective tissue, it is also involved in the marking of old proteins that are broken down intracellularly in the proteasome should be.
- The amino acid is said to act as an accelerator in drugs. For example, it is added to ibuprofen.
- Most of the industrial lysine is mixed into animal feed to make it more valuable for the nutrition of the feed animals. The animals then build muscle mass faster. Normal plant-based feed does not contain enough protein.
- In the doctrine of alternative practitioners, it is believed that lysine promotes the absorption of calcium in the bones, helps against herpes infections and eliminates arteriosclerosis. However, none of these effects has been scientifically proven.
You are probably familiar with proteins, i.e. the building blocks that, among other things, ...
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