What type of fatty acid has one double bond in its molecular structure?

A monounsaturated fatty acid is characterized by having one double bond in its molecular structure. This structural feature is significant because it influences the fatty acid's properties and health implications. Monounsaturated fats are commonly found in sources such as olive oil, avocados, and certain nuts.

The presence of just one double bond creates a bend or kink in the fatty acid chain, which can affect how the fat behaves at room temperature and its impact on health. Monounsaturated fatty acids are known for their potential benefits, including improving cholesterol levels and reducing the risk of heart disease.

In contrast, saturated fatty acids have no double bonds and are typically solid at room temperature. Polyunsaturated fatty acids contain two or more double bonds, while trans fatty acids are a type of unsaturated fat that has been artificially modified to have trans double bonds, which can negatively impact health. Recognizing the differences among these types of fatty acids is crucial for understanding nutrition and making informed dietary choices.