Polienler are a type of organic compound characterized by the presence of multiple double bonds between carbon atoms. These compounds are often found in various natural substances, including certain types of fats and oils. The presence of multiple double bonds can affect the physical and chemical properties of these compounds, making them more reactive than their single-bonded counterparts. In the context of chemistry, polienler can be important in the study of polyunsaturated fatty acids and their role in human health. They are also significant in the production of synthetic materials and plastics, where their unique properties can be harnessed for various applications.