What is the chemical structure of fats and oils?
What is the chemical structure of fats and oils?
Structure of fats and oils Fatty acids are long chain carboxylic acids ranging from C 4 to C 28. Common fatty acids including stearic acid and oleic acid have eighteen carbon atoms in their chains. The acid molecules can either be saturated or unsaturated. The fats and oils formed are also known as triglycerides.
What is the chemical name of fats?
Chemical composition of fats
| common name | systematic name | formula |
|---|---|---|
| stearic | octadecanoic | C17H35COOH |
| arachidic | eicosanoic | C19H39COOH |
| oleic | cis-9-octadecenoic | C17H33COOH |
| linoleic | cis-9, cis-12-octadecadienoic | C17H31COOH |
What are the components of fat?
Fats are hydrophobic hydrocarbon molecules consisting of fatty acids and glycerol. Glycerol has three carbons, each of which is attached to a hydroxyl group. Most fats are formed through replacement of the hydrogen of each hydroxyl group by a fatty acid.
What is the chemical structure of oil?
Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.
What atoms are in fatty acids?
Generally, a fatty acid consists of a straight chain of an even number of carbon atoms, with hydrogen atoms along the length of the chain and at one end of the chain and a carboxyl group (―COOH) at the other end.
What is a fat chemistry?
In chemistry and biology, fats are a type of lipid consisting of triesters of glycerol and fatty acids or triglycerides. Because they are organic compounds consisting of carbon and hydrogen atoms, they are generally soluble in organic solvents and largely insoluble in water. Fats are solid at room temperature.
How fats are formed?
Fats used by or stored in animal tissues come from two sources—enzymatic synthesis and diet. The fat synthesized from carbohydrates intermediates followed by enzymatic resynthesis to form the fat characteristic of the animal, but some dietary fatty acids are absorbed directly and recombined in the body fat.
What elements make up fat?
Fats and oils are organic compounds that, like carbohydrates, are composed of the elements carbon (C), hydrogen (H), and oxygen (O), arranged to form molecules. There are many types of fats and oils and a number of terms and concepts associated with them, which are detailed further here.
What are fat molecules made of?
A fat molecule is a type of lipid that consists of three fatty acid molecules connected to a 3 carbon glycerol backbone, as shown on the right. The three fatty acids can be different from one another.
What’s fat made up of?
In triglycerides, a few oxygen atoms connect the fatty acids to a backbone of glycerol. But other than that, fats are just a mix of carbon and hydrogen.
What is a fat made up of?
Fats, a subgroup of lipids, are also known as triglycerides, meaning their molecules are made from one molecule of glycerol and three fatty acids. Fats in the body serve mainly as an energy storage system.
What is the structure of a fat cell?
Each adipose cell consists of a large lipid droplet surrounded by a thin rim of cytoplasm. In addition to typical subcellular organelles, a variety of small lipid droplets and an extensive system of membranes characterize the cell’s cytoplasm. A fenestrated envelope surrounds the large, central lipid droplet.
What is the molecular formula of fat?
Because most fats have 3 fatty acids bonded to glycerol with 2 oyxgen atoms in each “ester” bond, the molecular formula is probably C54H108O6.
What is body fat made of?
Fat in the body is in the form of triglycerides. Triglycerides (TG) are made up of three free fatty acid (FFA) molecules held together by a molecule of glycerol (not a fat but a type of alcohol) (Brown, Miller, and Eason 2006) (figure 1). Most of the body’s fat is stored in the adipocytes.
What are fat molecules?
How fat is formed?
Excess calories are stored throughout your body as fat. Your body stores this fat within specialized fat cells (adipose tissue) — either by enlarging fat cells, which are always present in the body, or by creating more of them.
How fat cells are formed?
Fat cells are formed in the developing fetus during the third trimester of pregnancy, and later at the onset of puberty, when the sex hormones “kick in.” It is during puberty that the differences in fat distribution between men and women begin to take form.
What is a fat molecule made of?
A fat molecule is a type of lipid that consists of three fatty acid molecules connected to a 3 carbon glycerol backbone, as shown on the right.
What elements are fats made of?
What is human fat made of?