Triacylglycerol

Triacylglycerol (also known as triglyceride) is a type of lipid that is used by the body to store energy. It is the most common type of fat in the body and is also found in the blood.

Structure

Triacylglycerol is composed of one molecule of glycerol and three fatty acids. The fatty acids can be the same or different. The glycerol molecule forms the backbone of the triacylglycerol, and the fatty acids are attached to the glycerol molecule by ester bonds.

Function

The primary function of triacylglycerol is to store energy. When the body needs energy, it breaks down the triacylglycerol to release the fatty acids, which can then be used to produce energy. Triacylglycerol is also used to insulate and protect the body's organs.

Metabolism

Triacylglycerol is metabolized in the body through a process called lipolysis. This process is regulated by several hormones, including insulin and glucagon. During lipolysis, the fatty acids are separated from the glycerol backbone and can be used for energy production.

Health implications

High levels of triacylglycerol in the blood can be a risk factor for cardiovascular disease. This is because excess triacylglycerol can lead to the formation of plaque in the arteries, which can restrict blood flow and lead to heart disease or stroke.

See also

• Lipid metabolism
• Fatty acid metabolism
• Cardiovascular disease

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