Unsaturated acids are organic compounds that contain one or more double bonds between carbon atoms in their molecular structure. These double bonds can affect the physical and chemical properties of the acids, making them more reactive than saturated acids, which have only single bonds. Common examples of unsaturated acids include oleic acid and linoleic acid, which are found in various fats and oils. The presence of double bonds in unsaturated acids allows for the formation of different isomers and can influence their behavior in biological systems. Unsaturated acids are important in nutrition, as they are often considered healthier fats compared to saturated acids. They play a crucial role in various metabolic processes and are essential for maintaining cell membrane integrity.