Lysine
Lysine
Lysine (pronounced: /ˈlaɪsiːn/, LYE-seen) is an essential amino acid that is used in the biosynthesis of proteins. It is one of the nine essential amino acids in humans, meaning it cannot be synthesized in the body and must be obtained from the diet.
Etymology
The term "lysine" comes from the Greek word "lysis," meaning "loosening" or "dissolving," and the suffix "-ine," which is used in the names of amino acids.
Function
Lysine plays several important roles in the body. It is involved in the production of enzymes and hormones, the building of muscles, the absorption of calcium, and the body's production of energy. It also plays a crucial role in the production of collagen, a substance needed for healthy skin, hair, and nails.
Dietary Sources
Good sources of lysine include meat, eggs, soy products, legumes, and some dairy products. It can also be obtained from dietary supplements.
Related Terms
- Amino Acid: A compound that combines to form proteins and are essential for the body's normal functioning.
- Protein: A nutrient that is essential for growth and repair in the body.
- Enzyme: A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
- Hormone: A regulatory substance produced in an organism and transported in tissue fluids to stimulate specific cells or tissues into action.
- Calcium: A mineral found in many foods. The body needs calcium to maintain strong bones and to carry out many important functions.
- Collagen: The most abundant protein in the body, it is necessary for the creation of skin, muscle, bone and tendons.
- Meat: Animal flesh that is eaten as food.
- Egg: An organic vessel in which an embryo first begins to develop.
- Soy: Protein-rich products that are often used as a meat substitute.
- Legume: A plant or its fruit or seed in the family Fabaceae.
- Dairy Product: A type of food produced from or containing the milk of mammals.
External links
- Medical encyclopedia article on Lysine
- Wikipedia's article - Lysine
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