What are fats and triglycerides composed of?
What are fats and triglycerides composed of?
Triglycerides: The major form of fat stored by the body. A triglyceride consists of three molecules of fatty acid combined with a molecule of the alcohol glycerol. Triglycerides serve as the backbone of many types of lipids (fats). Triglycerides come from the food we eat as well as from being produced by the body.
What types of atoms are in triglycerides?
A triglyceride contains three fatty acids. A fatty acid contains a carboxylic acid and a chain of carbon and hydrogen atoms. Carboxylic acid is made of at least one carboxyl group, which is made up of one carbon atom, two oxygen atoms and one hydrogen atom.
What type of atoms are in fatty acids?
Fatty acids are constructed from the chemical elements carbon, oxygen and hydrogen. Fatty acids can be divided into a carboxylic acid head group–hence fatty acid–linked to a long chain of carbon atoms.
What are triglycerides composed of?
glycerol
Triglycerides are lipid compounds composed of a glycerol esterified to 3 fatty acid chains of varying length and composition. These fatty acid chains can be saturated or unsaturated, and the chemical composition of each chain is different.
What is the normal range of triglycerides?
A simple blood test can reveal whether your triglycerides fall into a healthy range: Normal — Less than 150 milligrams per deciliter (mg/dL), or less than 1.7 millimoles per liter (mmol/L) Borderline high — 150 to 199 mg/dL (1.8 to 2.2 mmol/L) High — 200 to 499 mg/dL (2.3 to 5.6 mmol/L)
What is the 3 carbon backbone of a fat?
Fats usually have a three-carbon backbone – called glycerol – attached to one or more fatty acid chains, which are basically strings of carbon and hydrogen atoms. If it has three fatty acid chains, the whole thing is called a triglyceride.
What are the 2 basic types of fat?
The bad fats, saturated and trans fats, tend to be more solid at room temperature (like a stick of butter), while monounsaturated and polyunsaturated fats tend to be more liquid (like liquid vegetable oil). Fats can also have different effects on the cholesterol levels in your body.
What is an example of a triglyceride?
Triglycerides are esters in which three molecules of one or more different fatty acids are linked to the alcohol glycerol; they are named according to the fatty acid components; e.g., tristearin contains three molecules of stearic acid, and oleodistearin, one of oleic acid and two of stearic acid.
Which is an example of an unsaturated fat triglyceride?
Example of an unsaturated fat triglyceride (C55H98O6). Left part: glycerol; right part, from top to bottom: palmitic acid, oleic acid, alpha-linolenic acid. A triglyceride (TG, triacylglycerol, TAG, or triacylglyceride) is an ester derived from glycerol and three fatty acids (from tri- and glyceride).
How are triglycerides made from glycerol and fatty acids?
Triglycerides or triacylglycerols (TAG) are the compounds that are made by esterifying glycerol with three fatty acids. Normally, the fatty acids at carbon 1 and carbon 3 of glycerol are saturated ones while the second carbon of glycerol in triglycerides is esterified to an unsaturated fatty acid.
Which is a compound similar to a triglyceride?
A _______ is a compound similar to a triglyceride but having a phosphate and choline in place of one of the fatty acids. phospholipid ________ is a nitrogen-containing compound found in foods and made in the body from the amino acid methionine.
How are triglycerides broken down in the pancreatic?
The pancreatic lipase acts at the ester bond, hydrolyzing the bond and “releasing” the fatty acid. In triglyceride form, lipids cannot be absorbed by the duodenum. Fatty acids, monoglycerides (one glycerol, one fatty acid), and some diglycerides are absorbed by the duodenum, once the triglycerides have been broken down.