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Structural Formula Lipid Numbers Propionic acid: Propanoic acid CH 3 CH 2 COOH C3:0 Butyric acid: Butanoic acid CH 3 (CH 2) 2 COOH C4:0 Valeric acid: Pentanoic acid CH 3 (CH 2) 3 COOH C5:0 Caproic acid: Hexanoic acid CH 3 (CH 2) 4 COOH C6:0 Enanthic acid: Heptanoic acid CH 3 (CH 2) 5 COOH C7:0 Caprylic acid: Octanoic acid CH 3 (CH 2) 6 COOH C8 ...
Saturated fatty acids have no C=C double bonds. They have the formula CH 3 (CH 2) n COOH, for different n. An important saturated fatty acid is stearic acid (n = 16), which when neutralized with sodium hydroxide is the most common form of soap. Arachidic acid, a saturated fatty acid
Trans fat has been found to act like saturated in raising the blood level of LDL ("bad cholesterol"); but, unlike saturated fat, it also decreases levels of HDL ("good cholesterol"). The net increase in LDL/HDL ratio with trans fat, a widely accepted indicator of risk for coronary artery disease, is approximately double that due to saturated fat.
A saturated fat is a type of fat in which the fatty acid chains have all single bonds between the carbon atoms. A fat known as a glyceride is made of two kinds of smaller molecules: a short glycerol backbone and fatty acids that each contain a long linear or branched chain of carbon (C) atoms.
Saturated fats generally have a higher melting point than unsaturated ones with the same molecular weight, and thus are more likely to be solid at room temperature. For example, the animal fats tallow and lard are high in saturated fatty acid content and are solids. Olive and linseed oils on the other hand are unsaturated and liquid.
Fat composition; Saturated fats; Total saturated: ... Melting point: backfat: 30–40 °C (86–104 °F) ... Lard consists mainly of fats, which in the context of ...
General chemical structure of food fats (triglyceride). R 1 , R 2 and R 3 are alkyl groups (approx. 20%) or alkenyl groups (approx. 80%). Olive oil is composed mainly of the mixed triglyceride esters of oleic acid , linoleic acid , palmitic acid and of other fatty acids , [ 100 ] [ 101 ] along with traces of squalene (up to 0.7%) and sterols ...
Stearic acid is a prevalent fatty-acid in nature, found in many animal and vegetable fats, but is usually higher in animal fat than vegetable fat. It has a melting point of 69.4 °C (156.9 °F) °C and a pKa of 4.50. [11] Its name comes from the Greek word στέαρ "stéar", which means tallow.