• Saturated fatty acids have no double C=C double bonds in the fatty acid chain, and thus the saturated fatty acids have the maximum number of hydrogen atoms. What is the difference between Saturated and Unsaturated Fatty Acids? It is an 18-carbon fatty acid mostly found in plant oils. Unsaturated fatty acid molecules are not tightly packed, which makes it easier for them to pass more fluidly through the body. The term ‘unsaturated’ indicates that the carbons atoms do not have the maximum possible hydrogen atoms bound to carbon atoms. Thus these are much safer and healthy compared to saturated fatty acids. You also need to know why you should make these changes. Fats that have a lot of oleic acid in them are liquid at room temperature, … degree in Applied Science and M.Sc. What Is Unsaturated Fat? Most fatty acids are long-chained with 12 or more carbon atoms, but shorter fatty acids like butyric acid (C. The process of hydrogenation doesn’t occur in saturated fatty acids as all the carbon atoms in the chain are already saturated. , diglycerides, monoglyceride, and sterol esters. Because they have a lower melting point, they have a low shelf life and might spoil quickly. 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Saturated fatty acids increase LDL cholesterol levels in the body. Hydrogenation is not possible in saturated fatty acids as no more hydrogen atoms can be added to the hydrocarbon chain. It is white in color with greasy consistency and has a melting point of 63°C. It is found in high concentrations in body fats and phospholipids of the cell membrane. Unsaturated fatty acids are mostly found via plant sources like vegetable oil, sunflower oil, mustard oil, avocado oil, etc. It is a doubly unsaturated fatty acid, also known as an omega-6 fatty acid, found mostly in plant glycosides. As a result, unsaturated fatty acids can undergo hydrogenation, resulting in saturated fatty acids. Saturated fatty acids are also soluble in vitamins. All rights reserved. Having more double bonds in your unsaturated fatty acids decreases the melting point (unsaturated fats which are often used in cooking are liquid at room temperature. • The shelf life of saturated fatty acids much higher than that of unsaturated fatty acids. Saturated fats increase the blood cholesterol levels, hence raise the risks associated with LDL cholesterol. Unsaturated fats (sunflower seed, safflower, and corn oils) are healthier for your heart. Unsaturated fatty acids make up the oil part of lipids. Crotonic acid. Unsaturated fatty acids might exist in either cis or trans configuration. Palmitic acid is produced by the process of saponification of palm oil in the presence of higher temperature water. Unsaturated fatty acids might have one or more carbon-carbon double bonds. Saturated fatty acids have low rancidity. You can also see that oleic acid is not saturated. Stearic acid is an example of long-chained saturated fatty acids with a hydrocarbon bone of 18 carbon atoms. What makes a fatty acid saturated or unsaturated is determined by how the carbon atoms are bonded together. The cells that store saturated fatty acids are termed as adipocytes in animals. Some examples of unsaturated fatty acids include linoleic acid, linolenic acid, oleic acid, crotonic acid, etc. But some saturated fatty acids are also found in vegetable sources like vegetable oil, coconut oil and peanut oil. • Saturated fatty acids have no double C=C double bonds in the fatty acid chain, and thus the saturated fatty acids have the maximum number of hydrogen atoms. The main difference between saturated and unsaturated fatty acids is that the hydrocarbon chain of saturated fatty acids is made up of single bonds whereas the hydrocarbon chain of unsaturated fatty acids contains at least a single double bond. Unsaturated fatty acids are more complex fatty acids with bent hydrocarbon chains linked together by one or more carbon-carbon double bonds with a terminal carboxylic acid group. Saturated fatty acids do not have any carbon-carbon double bonds. Fatty acids are composed of unbranched carbon chains with a carboxyl group at one end. Unsaturated fatty acids have carbon chains with one or more C=C bonds. The most common simple fat is the triglyceride, made up of glyceride and three fatty acids. There are two types of fatty acids based on their number of C=C bonds; namely (a) monounsaturated fatty acids, which contain only one C=C double bond along the fatty acid chain and are found in canola, peanut, olive, avocado and cashews, and (b) polyunsaturated fatty acids, which contain two or more C=C double bonds and are found in fish, almonds and pecans. Hydrocarbon chains in saturated fatty acids are linear and unbranched. Unsaturated fatty acids are more complex fatty acids with bent hydrocarbon chains linked together by carbon-carbon double bonds with a terminal carboxylic acid group. Besides, it is also added as a food additive as it adds texture to processed foods. Terms of Use and Privacy Policy: Legal. While it is well known that there are saturated and unsaturated fats, fewer people are aware that unsaturated fats are further classified into two other groups: monounsaturated fats (sometimes seen as an acronym — MUFA) and polyunsaturated fats (PUFA). Stearic acid is produced by the saponification of triglycerides in fats and oil with boiling water. • Saturated fatty acids form saturated fats, while unsaturated fatty acids form unsaturated fats. It is not synthesized within the body of mammals and thus has to be taken in through diet sources. Both unsaturated fat and saturated fat are equally energy-dense. Saturated fatty makes up about 10% of all the fat required in our diet as an excess of these fats might increase the risk of heart diseases.

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