How do unsaturated fats differ from saturated fats?

Unsaturated fats are characterized by their liquid state at room temperature, which is a key distinguishing feature compared to saturated fats that are typically solid at room temperature. This difference in physical state arises from the chemical structure of unsaturated fats, which contain one or more double bonds between carbon atoms in their fatty acid chains. These double bonds prevent the molecules from packing closely together, resulting in a liquid form.

In contrast, saturated fats have no double bonds and have a more straightforward structure that allows them to pack tightly together, typically resulting in a solid state at room temperature. Understanding this structural relationship is crucial for identifying the types of fats and their potential health impacts.

While unsaturated fats are predominantly found in plant sources, they can also be present in certain types of fish. Hence, stating that they are found only in plant sources is not accurate. Additionally, unsaturated fats are generally considered to be heart-healthy and are known for their ability to lower bad cholesterol levels rather than raise them. Therefore, the liquid state at room temperature is the defining feature that separates unsaturated fats from saturated fats.